[chore] update viper version (#2539)

* update viper version

* removes our last uses of the slice package

* fix tests

14 files changed, 2920 insertions, 0 deletions

diff --git a/vendor/golang.org/x/exp/slog/attr.go b/vendor/golang.org/x/exp/slog/attr.go
new file mode 100644
index 000000000..a180d0e1d
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/attr.go
@@ -0,0 +1,102 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"fmt"
+	"time"
+)
+
+// An Attr is a key-value pair.
+type Attr struct {
+	Key   string
+	Value Value
+}
+
+// String returns an Attr for a string value.
+func String(key, value string) Attr {
+	return Attr{key, StringValue(value)}
+}
+
+// Int64 returns an Attr for an int64.
+func Int64(key string, value int64) Attr {
+	return Attr{key, Int64Value(value)}
+}
+
+// Int converts an int to an int64 and returns
+// an Attr with that value.
+func Int(key string, value int) Attr {
+	return Int64(key, int64(value))
+}
+
+// Uint64 returns an Attr for a uint64.
+func Uint64(key string, v uint64) Attr {
+	return Attr{key, Uint64Value(v)}
+}
+
+// Float64 returns an Attr for a floating-point number.
+func Float64(key string, v float64) Attr {
+	return Attr{key, Float64Value(v)}
+}
+
+// Bool returns an Attr for a bool.
+func Bool(key string, v bool) Attr {
+	return Attr{key, BoolValue(v)}
+}
+
+// Time returns an Attr for a time.Time.
+// It discards the monotonic portion.
+func Time(key string, v time.Time) Attr {
+	return Attr{key, TimeValue(v)}
+}
+
+// Duration returns an Attr for a time.Duration.
+func Duration(key string, v time.Duration) Attr {
+	return Attr{key, DurationValue(v)}
+}
+
+// Group returns an Attr for a Group Value.
+// The first argument is the key; the remaining arguments
+// are converted to Attrs as in [Logger.Log].
+//
+// Use Group to collect several key-value pairs under a single
+// key on a log line, or as the result of LogValue
+// in order to log a single value as multiple Attrs.
+func Group(key string, args ...any) Attr {
+	return Attr{key, GroupValue(argsToAttrSlice(args)...)}
+}
+
+func argsToAttrSlice(args []any) []Attr {
+	var (
+		attr  Attr
+		attrs []Attr
+	)
+	for len(args) > 0 {
+		attr, args = argsToAttr(args)
+		attrs = append(attrs, attr)
+	}
+	return attrs
+}
+
+// Any returns an Attr for the supplied value.
+// See [Value.AnyValue] for how values are treated.
+func Any(key string, value any) Attr {
+	return Attr{key, AnyValue(value)}
+}
+
+// Equal reports whether a and b have equal keys and values.
+func (a Attr) Equal(b Attr) bool {
+	return a.Key == b.Key && a.Value.Equal(b.Value)
+}
+
+func (a Attr) String() string {
+	return fmt.Sprintf("%s=%s", a.Key, a.Value)
+}
+
+// isEmpty reports whether a has an empty key and a nil value.
+// That can be written as Attr{} or Any("", nil).
+func (a Attr) isEmpty() bool {
+	return a.Key == "" && a.Value.num == 0 && a.Value.any == nil
+}
diff --git a/vendor/golang.org/x/exp/slog/doc.go b/vendor/golang.org/x/exp/slog/doc.go
new file mode 100644
index 000000000..4beaf8674
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/doc.go
@@ -0,0 +1,316 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+/*
+Package slog provides structured logging,
+in which log records include a message,
+a severity level, and various other attributes
+expressed as key-value pairs.
+
+It defines a type, [Logger],
+which provides several methods (such as [Logger.Info] and [Logger.Error])
+for reporting events of interest.
+
+Each Logger is associated with a [Handler].
+A Logger output method creates a [Record] from the method arguments
+and passes it to the Handler, which decides how to handle it.
+There is a default Logger accessible through top-level functions
+(such as [Info] and [Error]) that call the corresponding Logger methods.
+
+A log record consists of a time, a level, a message, and a set of key-value
+pairs, where the keys are strings and the values may be of any type.
+As an example,
+
+	slog.Info("hello", "count", 3)
+
+creates a record containing the time of the call,
+a level of Info, the message "hello", and a single
+pair with key "count" and value 3.
+
+The [Info] top-level function calls the [Logger.Info] method on the default Logger.
+In addition to [Logger.Info], there are methods for Debug, Warn and Error levels.
+Besides these convenience methods for common levels,
+there is also a [Logger.Log] method which takes the level as an argument.
+Each of these methods has a corresponding top-level function that uses the
+default logger.
+
+The default handler formats the log record's message, time, level, and attributes
+as a string and passes it to the [log] package.
+
+	2022/11/08 15:28:26 INFO hello count=3
+
+For more control over the output format, create a logger with a different handler.
+This statement uses [New] to create a new logger with a TextHandler
+that writes structured records in text form to standard error:
+
+	logger := slog.New(slog.NewTextHandler(os.Stderr, nil))
+
+[TextHandler] output is a sequence of key=value pairs, easily and unambiguously
+parsed by machine. This statement:
+
+	logger.Info("hello", "count", 3)
+
+produces this output:
+
+	time=2022-11-08T15:28:26.000-05:00 level=INFO msg=hello count=3
+
+The package also provides [JSONHandler], whose output is line-delimited JSON:
+
+	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
+	logger.Info("hello", "count", 3)
+
+produces this output:
+
+	{"time":"2022-11-08T15:28:26.000000000-05:00","level":"INFO","msg":"hello","count":3}
+
+Both [TextHandler] and [JSONHandler] can be configured with [HandlerOptions].
+There are options for setting the minimum level (see Levels, below),
+displaying the source file and line of the log call, and
+modifying attributes before they are logged.
+
+Setting a logger as the default with
+
+	slog.SetDefault(logger)
+
+will cause the top-level functions like [Info] to use it.
+[SetDefault] also updates the default logger used by the [log] package,
+so that existing applications that use [log.Printf] and related functions
+will send log records to the logger's handler without needing to be rewritten.
+
+Some attributes are common to many log calls.
+For example, you may wish to include the URL or trace identifier of a server request
+with all log events arising from the request.
+Rather than repeat the attribute with every log call, you can use [Logger.With]
+to construct a new Logger containing the attributes:
+
+	logger2 := logger.With("url", r.URL)
+
+The arguments to With are the same key-value pairs used in [Logger.Info].
+The result is a new Logger with the same handler as the original, but additional
+attributes that will appear in the output of every call.
+
+# Levels
+
+A [Level] is an integer representing the importance or severity of a log event.
+The higher the level, the more severe the event.
+This package defines constants for the most common levels,
+but any int can be used as a level.
+
+In an application, you may wish to log messages only at a certain level or greater.
+One common configuration is to log messages at Info or higher levels,
+suppressing debug logging until it is needed.
+The built-in handlers can be configured with the minimum level to output by
+setting [HandlerOptions.Level].
+The program's `main` function typically does this.
+The default value is LevelInfo.
+
+Setting the [HandlerOptions.Level] field to a [Level] value
+fixes the handler's minimum level throughout its lifetime.
+Setting it to a [LevelVar] allows the level to be varied dynamically.
+A LevelVar holds a Level and is safe to read or write from multiple
+goroutines.
+To vary the level dynamically for an entire program, first initialize
+a global LevelVar:
+
+	var programLevel = new(slog.LevelVar) // Info by default
+
+Then use the LevelVar to construct a handler, and make it the default:
+
+	h := slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{Level: programLevel})
+	slog.SetDefault(slog.New(h))
+
+Now the program can change its logging level with a single statement:
+
+	programLevel.Set(slog.LevelDebug)
+
+# Groups
+
+Attributes can be collected into groups.
+A group has a name that is used to qualify the names of its attributes.
+How this qualification is displayed depends on the handler.
+[TextHandler] separates the group and attribute names with a dot.
+[JSONHandler] treats each group as a separate JSON object, with the group name as the key.
+
+Use [Group] to create a Group attribute from a name and a list of key-value pairs:
+
+	slog.Group("request",
+	    "method", r.Method,
+	    "url", r.URL)
+
+TextHandler would display this group as
+
+	request.method=GET request.url=http://example.com
+
+JSONHandler would display it as
+
+	"request":{"method":"GET","url":"http://example.com"}
+
+Use [Logger.WithGroup] to qualify all of a Logger's output
+with a group name. Calling WithGroup on a Logger results in a
+new Logger with the same Handler as the original, but with all
+its attributes qualified by the group name.
+
+This can help prevent duplicate attribute keys in large systems,
+where subsystems might use the same keys.
+Pass each subsystem a different Logger with its own group name so that
+potential duplicates are qualified:
+
+	logger := slog.Default().With("id", systemID)
+	parserLogger := logger.WithGroup("parser")
+	parseInput(input, parserLogger)
+
+When parseInput logs with parserLogger, its keys will be qualified with "parser",
+so even if it uses the common key "id", the log line will have distinct keys.
+
+# Contexts
+
+Some handlers may wish to include information from the [context.Context] that is
+available at the call site. One example of such information
+is the identifier for the current span when tracing is enabled.
+
+The [Logger.Log] and [Logger.LogAttrs] methods take a context as a first
+argument, as do their corresponding top-level functions.
+
+Although the convenience methods on Logger (Info and so on) and the
+corresponding top-level functions do not take a context, the alternatives ending
+in "Context" do. For example,
+
+	slog.InfoContext(ctx, "message")
+
+It is recommended to pass a context to an output method if one is available.
+
+# Attrs and Values
+
+An [Attr] is a key-value pair. The Logger output methods accept Attrs as well as
+alternating keys and values. The statement
+
+	slog.Info("hello", slog.Int("count", 3))
+
+behaves the same as
+
+	slog.Info("hello", "count", 3)
+
+There are convenience constructors for [Attr] such as [Int], [String], and [Bool]
+for common types, as well as the function [Any] for constructing Attrs of any
+type.
+
+The value part of an Attr is a type called [Value].
+Like an [any], a Value can hold any Go value,
+but it can represent typical values, including all numbers and strings,
+without an allocation.
+
+For the most efficient log output, use [Logger.LogAttrs].
+It is similar to [Logger.Log] but accepts only Attrs, not alternating
+keys and values; this allows it, too, to avoid allocation.
+
+The call
+
+	logger.LogAttrs(nil, slog.LevelInfo, "hello", slog.Int("count", 3))
+
+is the most efficient way to achieve the same output as
+
+	slog.Info("hello", "count", 3)
+
+# Customizing a type's logging behavior
+
+If a type implements the [LogValuer] interface, the [Value] returned from its LogValue
+method is used for logging. You can use this to control how values of the type
+appear in logs. For example, you can redact secret information like passwords,
+or gather a struct's fields in a Group. See the examples under [LogValuer] for
+details.
+
+A LogValue method may return a Value that itself implements [LogValuer]. The [Value.Resolve]
+method handles these cases carefully, avoiding infinite loops and unbounded recursion.
+Handler authors and others may wish to use Value.Resolve instead of calling LogValue directly.
+
+# Wrapping output methods
+
+The logger functions use reflection over the call stack to find the file name
+and line number of the logging call within the application. This can produce
+incorrect source information for functions that wrap slog. For instance, if you
+define this function in file mylog.go:
+
+	func Infof(format string, args ...any) {
+	    slog.Default().Info(fmt.Sprintf(format, args...))
+	}
+
+and you call it like this in main.go:
+
+	Infof(slog.Default(), "hello, %s", "world")
+
+then slog will report the source file as mylog.go, not main.go.
+
+A correct implementation of Infof will obtain the source location
+(pc) and pass it to NewRecord.
+The Infof function in the package-level example called "wrapping"
+demonstrates how to do this.
+
+# Working with Records
+
+Sometimes a Handler will need to modify a Record
+before passing it on to another Handler or backend.
+A Record contains a mixture of simple public fields (e.g. Time, Level, Message)
+and hidden fields that refer to state (such as attributes) indirectly. This
+means that modifying a simple copy of a Record (e.g. by calling
+[Record.Add] or [Record.AddAttrs] to add attributes)
+may have unexpected effects on the original.
+Before modifying a Record, use [Clone] to
+create a copy that shares no state with the original,
+or create a new Record with [NewRecord]
+and build up its Attrs by traversing the old ones with [Record.Attrs].
+
+# Performance considerations
+
+If profiling your application demonstrates that logging is taking significant time,
+the following suggestions may help.
+
+If many log lines have a common attribute, use [Logger.With] to create a Logger with
+that attribute. The built-in handlers will format that attribute only once, at the
+call to [Logger.With]. The [Handler] interface is designed to allow that optimization,
+and a well-written Handler should take advantage of it.
+
+The arguments to a log call are always evaluated, even if the log event is discarded.
+If possible, defer computation so that it happens only if the value is actually logged.
+For example, consider the call
+
+	slog.Info("starting request", "url", r.URL.String())  // may compute String unnecessarily
+
+The URL.String method will be called even if the logger discards Info-level events.
+Instead, pass the URL directly:
+
+	slog.Info("starting request", "url", &r.URL) // calls URL.String only if needed
+
+The built-in [TextHandler] will call its String method, but only
+if the log event is enabled.
+Avoiding the call to String also preserves the structure of the underlying value.
+For example [JSONHandler] emits the components of the parsed URL as a JSON object.
+If you want to avoid eagerly paying the cost of the String call
+without causing the handler to potentially inspect the structure of the value,
+wrap the value in a fmt.Stringer implementation that hides its Marshal methods.
+
+You can also use the [LogValuer] interface to avoid unnecessary work in disabled log
+calls. Say you need to log some expensive value:
+
+	slog.Debug("frobbing", "value", computeExpensiveValue(arg))
+
+Even if this line is disabled, computeExpensiveValue will be called.
+To avoid that, define a type implementing LogValuer:
+
+	type expensive struct { arg int }
+
+	func (e expensive) LogValue() slog.Value {
+	    return slog.AnyValue(computeExpensiveValue(e.arg))
+	}
+
+Then use a value of that type in log calls:
+
+	slog.Debug("frobbing", "value", expensive{arg})
+
+Now computeExpensiveValue will only be called when the line is enabled.
+
+The built-in handlers acquire a lock before calling [io.Writer.Write]
+to ensure that each record is written in one piece. User-defined
+handlers are responsible for their own locking.
+*/
+package slog
diff --git a/vendor/golang.org/x/exp/slog/handler.go b/vendor/golang.org/x/exp/slog/handler.go
new file mode 100644
index 000000000..bd635cb81
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/handler.go
@@ -0,0 +1,577 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"reflect"
+	"strconv"
+	"sync"
+	"time"
+
+	"golang.org/x/exp/slices"
+	"golang.org/x/exp/slog/internal/buffer"
+)
+
+// A Handler handles log records produced by a Logger..
+//
+// A typical handler may print log records to standard error,
+// or write them to a file or database, or perhaps augment them
+// with additional attributes and pass them on to another handler.
+//
+// Any of the Handler's methods may be called concurrently with itself
+// or with other methods. It is the responsibility of the Handler to
+// manage this concurrency.
+//
+// Users of the slog package should not invoke Handler methods directly.
+// They should use the methods of [Logger] instead.
+type Handler interface {
+	// Enabled reports whether the handler handles records at the given level.
+	// The handler ignores records whose level is lower.
+	// It is called early, before any arguments are processed,
+	// to save effort if the log event should be discarded.
+	// If called from a Logger method, the first argument is the context
+	// passed to that method, or context.Background() if nil was passed
+	// or the method does not take a context.
+	// The context is passed so Enabled can use its values
+	// to make a decision.
+	Enabled(context.Context, Level) bool
+
+	// Handle handles the Record.
+	// It will only be called when Enabled returns true.
+	// The Context argument is as for Enabled.
+	// It is present solely to provide Handlers access to the context's values.
+	// Canceling the context should not affect record processing.
+	// (Among other things, log messages may be necessary to debug a
+	// cancellation-related problem.)
+	//
+	// Handle methods that produce output should observe the following rules:
+	//   - If r.Time is the zero time, ignore the time.
+	//   - If r.PC is zero, ignore it.
+	//   - Attr's values should be resolved.
+	//   - If an Attr's key and value are both the zero value, ignore the Attr.
+	//     This can be tested with attr.Equal(Attr{}).
+	//   - If a group's key is empty, inline the group's Attrs.
+	//   - If a group has no Attrs (even if it has a non-empty key),
+	//     ignore it.
+	Handle(context.Context, Record) error
+
+	// WithAttrs returns a new Handler whose attributes consist of
+	// both the receiver's attributes and the arguments.
+	// The Handler owns the slice: it may retain, modify or discard it.
+	WithAttrs(attrs []Attr) Handler
+
+	// WithGroup returns a new Handler with the given group appended to
+	// the receiver's existing groups.
+	// The keys of all subsequent attributes, whether added by With or in a
+	// Record, should be qualified by the sequence of group names.
+	//
+	// How this qualification happens is up to the Handler, so long as
+	// this Handler's attribute keys differ from those of another Handler
+	// with a different sequence of group names.
+	//
+	// A Handler should treat WithGroup as starting a Group of Attrs that ends
+	// at the end of the log event. That is,
+	//
+	//     logger.WithGroup("s").LogAttrs(level, msg, slog.Int("a", 1), slog.Int("b", 2))
+	//
+	// should behave like
+	//
+	//     logger.LogAttrs(level, msg, slog.Group("s", slog.Int("a", 1), slog.Int("b", 2)))
+	//
+	// If the name is empty, WithGroup returns the receiver.
+	WithGroup(name string) Handler
+}
+
+type defaultHandler struct {
+	ch *commonHandler
+	// log.Output, except for testing
+	output func(calldepth int, message string) error
+}
+
+func newDefaultHandler(output func(int, string) error) *defaultHandler {
+	return &defaultHandler{
+		ch:     &commonHandler{json: false},
+		output: output,
+	}
+}
+
+func (*defaultHandler) Enabled(_ context.Context, l Level) bool {
+	return l >= LevelInfo
+}
+
+// Collect the level, attributes and message in a string and
+// write it with the default log.Logger.
+// Let the log.Logger handle time and file/line.
+func (h *defaultHandler) Handle(ctx context.Context, r Record) error {
+	buf := buffer.New()
+	buf.WriteString(r.Level.String())
+	buf.WriteByte(' ')
+	buf.WriteString(r.Message)
+	state := h.ch.newHandleState(buf, true, " ", nil)
+	defer state.free()
+	state.appendNonBuiltIns(r)
+
+	// skip [h.output, defaultHandler.Handle, handlerWriter.Write, log.Output]
+	return h.output(4, buf.String())
+}
+
+func (h *defaultHandler) WithAttrs(as []Attr) Handler {
+	return &defaultHandler{h.ch.withAttrs(as), h.output}
+}
+
+func (h *defaultHandler) WithGroup(name string) Handler {
+	return &defaultHandler{h.ch.withGroup(name), h.output}
+}
+
+// HandlerOptions are options for a TextHandler or JSONHandler.
+// A zero HandlerOptions consists entirely of default values.
+type HandlerOptions struct {
+	// AddSource causes the handler to compute the source code position
+	// of the log statement and add a SourceKey attribute to the output.
+	AddSource bool
+
+	// Level reports the minimum record level that will be logged.
+	// The handler discards records with lower levels.
+	// If Level is nil, the handler assumes LevelInfo.
+	// The handler calls Level.Level for each record processed;
+	// to adjust the minimum level dynamically, use a LevelVar.
+	Level Leveler
+
+	// ReplaceAttr is called to rewrite each non-group attribute before it is logged.
+	// The attribute's value has been resolved (see [Value.Resolve]).
+	// If ReplaceAttr returns an Attr with Key == "", the attribute is discarded.
+	//
+	// The built-in attributes with keys "time", "level", "source", and "msg"
+	// are passed to this function, except that time is omitted
+	// if zero, and source is omitted if AddSource is false.
+	//
+	// The first argument is a list of currently open groups that contain the
+	// Attr. It must not be retained or modified. ReplaceAttr is never called
+	// for Group attributes, only their contents. For example, the attribute
+	// list
+	//
+	//     Int("a", 1), Group("g", Int("b", 2)), Int("c", 3)
+	//
+	// results in consecutive calls to ReplaceAttr with the following arguments:
+	//
+	//     nil, Int("a", 1)
+	//     []string{"g"}, Int("b", 2)
+	//     nil, Int("c", 3)
+	//
+	// ReplaceAttr can be used to change the default keys of the built-in
+	// attributes, convert types (for example, to replace a `time.Time` with the
+	// integer seconds since the Unix epoch), sanitize personal information, or
+	// remove attributes from the output.
+	ReplaceAttr func(groups []string, a Attr) Attr
+}
+
+// Keys for "built-in" attributes.
+const (
+	// TimeKey is the key used by the built-in handlers for the time
+	// when the log method is called. The associated Value is a [time.Time].
+	TimeKey = "time"
+	// LevelKey is the key used by the built-in handlers for the level
+	// of the log call. The associated value is a [Level].
+	LevelKey = "level"
+	// MessageKey is the key used by the built-in handlers for the
+	// message of the log call. The associated value is a string.
+	MessageKey = "msg"
+	// SourceKey is the key used by the built-in handlers for the source file
+	// and line of the log call. The associated value is a string.
+	SourceKey = "source"
+)
+
+type commonHandler struct {
+	json              bool // true => output JSON; false => output text
+	opts              HandlerOptions
+	preformattedAttrs []byte
+	groupPrefix       string   // for text: prefix of groups opened in preformatting
+	groups            []string // all groups started from WithGroup
+	nOpenGroups       int      // the number of groups opened in preformattedAttrs
+	mu                sync.Mutex
+	w                 io.Writer
+}
+
+func (h *commonHandler) clone() *commonHandler {
+	// We can't use assignment because we can't copy the mutex.
+	return &commonHandler{
+		json:              h.json,
+		opts:              h.opts,
+		preformattedAttrs: slices.Clip(h.preformattedAttrs),
+		groupPrefix:       h.groupPrefix,
+		groups:            slices.Clip(h.groups),
+		nOpenGroups:       h.nOpenGroups,
+		w:                 h.w,
+	}
+}
+
+// enabled reports whether l is greater than or equal to the
+// minimum level.
+func (h *commonHandler) enabled(l Level) bool {
+	minLevel := LevelInfo
+	if h.opts.Level != nil {
+		minLevel = h.opts.Level.Level()
+	}
+	return l >= minLevel
+}
+
+func (h *commonHandler) withAttrs(as []Attr) *commonHandler {
+	h2 := h.clone()
+	// Pre-format the attributes as an optimization.
+	prefix := buffer.New()
+	defer prefix.Free()
+	prefix.WriteString(h.groupPrefix)
+	state := h2.newHandleState((*buffer.Buffer)(&h2.preformattedAttrs), false, "", prefix)
+	defer state.free()
+	if len(h2.preformattedAttrs) > 0 {
+		state.sep = h.attrSep()
+	}
+	state.openGroups()
+	for _, a := range as {
+		state.appendAttr(a)
+	}
+	// Remember the new prefix for later keys.
+	h2.groupPrefix = state.prefix.String()
+	// Remember how many opened groups are in preformattedAttrs,
+	// so we don't open them again when we handle a Record.
+	h2.nOpenGroups = len(h2.groups)
+	return h2
+}
+
+func (h *commonHandler) withGroup(name string) *commonHandler {
+	if name == "" {
+		return h
+	}
+	h2 := h.clone()
+	h2.groups = append(h2.groups, name)
+	return h2
+}
+
+func (h *commonHandler) handle(r Record) error {
+	state := h.newHandleState(buffer.New(), true, "", nil)
+	defer state.free()
+	if h.json {
+		state.buf.WriteByte('{')
+	}
+	// Built-in attributes. They are not in a group.
+	stateGroups := state.groups
+	state.groups = nil // So ReplaceAttrs sees no groups instead of the pre groups.
+	rep := h.opts.ReplaceAttr
+	// time
+	if !r.Time.IsZero() {
+		key := TimeKey
+		val := r.Time.Round(0) // strip monotonic to match Attr behavior
+		if rep == nil {
+			state.appendKey(key)
+			state.appendTime(val)
+		} else {
+			state.appendAttr(Time(key, val))
+		}
+	}
+	// level
+	key := LevelKey
+	val := r.Level
+	if rep == nil {
+		state.appendKey(key)
+		state.appendString(val.String())
+	} else {
+		state.appendAttr(Any(key, val))
+	}
+	// source
+	if h.opts.AddSource {
+		state.appendAttr(Any(SourceKey, r.source()))
+	}
+	key = MessageKey
+	msg := r.Message
+	if rep == nil {
+		state.appendKey(key)
+		state.appendString(msg)
+	} else {
+		state.appendAttr(String(key, msg))
+	}
+	state.groups = stateGroups // Restore groups passed to ReplaceAttrs.
+	state.appendNonBuiltIns(r)
+	state.buf.WriteByte('\n')
+
+	h.mu.Lock()
+	defer h.mu.Unlock()
+	_, err := h.w.Write(*state.buf)
+	return err
+}
+
+func (s *handleState) appendNonBuiltIns(r Record) {
+	// preformatted Attrs
+	if len(s.h.preformattedAttrs) > 0 {
+		s.buf.WriteString(s.sep)
+		s.buf.Write(s.h.preformattedAttrs)
+		s.sep = s.h.attrSep()
+	}
+	// Attrs in Record -- unlike the built-in ones, they are in groups started
+	// from WithGroup.
+	s.prefix = buffer.New()
+	defer s.prefix.Free()
+	s.prefix.WriteString(s.h.groupPrefix)
+	s.openGroups()
+	r.Attrs(func(a Attr) bool {
+		s.appendAttr(a)
+		return true
+	})
+	if s.h.json {
+		// Close all open groups.
+		for range s.h.groups {
+			s.buf.WriteByte('}')
+		}
+		// Close the top-level object.
+		s.buf.WriteByte('}')
+	}
+}
+
+// attrSep returns the separator between attributes.
+func (h *commonHandler) attrSep() string {
+	if h.json {
+		return ","
+	}
+	return " "
+}
+
+// handleState holds state for a single call to commonHandler.handle.
+// The initial value of sep determines whether to emit a separator
+// before the next key, after which it stays true.
+type handleState struct {
+	h       *commonHandler
+	buf     *buffer.Buffer
+	freeBuf bool           // should buf be freed?
+	sep     string         // separator to write before next key
+	prefix  *buffer.Buffer // for text: key prefix
+	groups  *[]string      // pool-allocated slice of active groups, for ReplaceAttr
+}
+
+var groupPool = sync.Pool{New: func() any {
+	s := make([]string, 0, 10)
+	return &s
+}}
+
+func (h *commonHandler) newHandleState(buf *buffer.Buffer, freeBuf bool, sep string, prefix *buffer.Buffer) handleState {
+	s := handleState{
+		h:       h,
+		buf:     buf,
+		freeBuf: freeBuf,
+		sep:     sep,
+		prefix:  prefix,
+	}
+	if h.opts.ReplaceAttr != nil {
+		s.groups = groupPool.Get().(*[]string)
+		*s.groups = append(*s.groups, h.groups[:h.nOpenGroups]...)
+	}
+	return s
+}
+
+func (s *handleState) free() {
+	if s.freeBuf {
+		s.buf.Free()
+	}
+	if gs := s.groups; gs != nil {
+		*gs = (*gs)[:0]
+		groupPool.Put(gs)
+	}
+}
+
+func (s *handleState) openGroups() {
+	for _, n := range s.h.groups[s.h.nOpenGroups:] {
+		s.openGroup(n)
+	}
+}
+
+// Separator for group names and keys.
+const keyComponentSep = '.'
+
+// openGroup starts a new group of attributes
+// with the given name.
+func (s *handleState) openGroup(name string) {
+	if s.h.json {
+		s.appendKey(name)
+		s.buf.WriteByte('{')
+		s.sep = ""
+	} else {
+		s.prefix.WriteString(name)
+		s.prefix.WriteByte(keyComponentSep)
+	}
+	// Collect group names for ReplaceAttr.
+	if s.groups != nil {
+		*s.groups = append(*s.groups, name)
+	}
+}
+
+// closeGroup ends the group with the given name.
+func (s *handleState) closeGroup(name string) {
+	if s.h.json {
+		s.buf.WriteByte('}')
+	} else {
+		(*s.prefix) = (*s.prefix)[:len(*s.prefix)-len(name)-1 /* for keyComponentSep */]
+	}
+	s.sep = s.h.attrSep()
+	if s.groups != nil {
+		*s.groups = (*s.groups)[:len(*s.groups)-1]
+	}
+}
+
+// appendAttr appends the Attr's key and value using app.
+// It handles replacement and checking for an empty key.
+// after replacement).
+func (s *handleState) appendAttr(a Attr) {
+	if rep := s.h.opts.ReplaceAttr; rep != nil && a.Value.Kind() != KindGroup {
+		var gs []string
+		if s.groups != nil {
+			gs = *s.groups
+		}
+		// Resolve before calling ReplaceAttr, so the user doesn't have to.
+		a.Value = a.Value.Resolve()
+		a = rep(gs, a)
+	}
+	a.Value = a.Value.Resolve()
+	// Elide empty Attrs.
+	if a.isEmpty() {
+		return
+	}
+	// Special case: Source.
+	if v := a.Value; v.Kind() == KindAny {
+		if src, ok := v.Any().(*Source); ok {
+			if s.h.json {
+				a.Value = src.group()
+			} else {
+				a.Value = StringValue(fmt.Sprintf("%s:%d", src.File, src.Line))
+			}
+		}
+	}
+	if a.Value.Kind() == KindGroup {
+		attrs := a.Value.Group()
+		// Output only non-empty groups.
+		if len(attrs) > 0 {
+			// Inline a group with an empty key.
+			if a.Key != "" {
+				s.openGroup(a.Key)
+			}
+			for _, aa := range attrs {
+				s.appendAttr(aa)
+			}
+			if a.Key != "" {
+				s.closeGroup(a.Key)
+			}
+		}
+	} else {
+		s.appendKey(a.Key)
+		s.appendValue(a.Value)
+	}
+}
+
+func (s *handleState) appendError(err error) {
+	s.appendString(fmt.Sprintf("!ERROR:%v", err))
+}
+
+func (s *handleState) appendKey(key string) {
+	s.buf.WriteString(s.sep)
+	if s.prefix != nil {
+		// TODO: optimize by avoiding allocation.
+		s.appendString(string(*s.prefix) + key)
+	} else {
+		s.appendString(key)
+	}
+	if s.h.json {
+		s.buf.WriteByte(':')
+	} else {
+		s.buf.WriteByte('=')
+	}
+	s.sep = s.h.attrSep()
+}
+
+func (s *handleState) appendString(str string) {
+	if s.h.json {
+		s.buf.WriteByte('"')
+		*s.buf = appendEscapedJSONString(*s.buf, str)
+		s.buf.WriteByte('"')
+	} else {
+		// text
+		if needsQuoting(str) {
+			*s.buf = strconv.AppendQuote(*s.buf, str)
+		} else {
+			s.buf.WriteString(str)
+		}
+	}
+}
+
+func (s *handleState) appendValue(v Value) {
+	defer func() {
+		if r := recover(); r != nil {
+			// If it panics with a nil pointer, the most likely cases are
+			// an encoding.TextMarshaler or error fails to guard against nil,
+			// in which case "<nil>" seems to be the feasible choice.
+			//
+			// Adapted from the code in fmt/print.go.
+			if v := reflect.ValueOf(v.any); v.Kind() == reflect.Pointer && v.IsNil() {
+				s.appendString("<nil>")
+				return
+			}
+
+			// Otherwise just print the original panic message.
+			s.appendString(fmt.Sprintf("!PANIC: %v", r))
+		}
+	}()
+
+	var err error
+	if s.h.json {
+		err = appendJSONValue(s, v)
+	} else {
+		err = appendTextValue(s, v)
+	}
+	if err != nil {
+		s.appendError(err)
+	}
+}
+
+func (s *handleState) appendTime(t time.Time) {
+	if s.h.json {
+		appendJSONTime(s, t)
+	} else {
+		writeTimeRFC3339Millis(s.buf, t)
+	}
+}
+
+// This takes half the time of Time.AppendFormat.
+func writeTimeRFC3339Millis(buf *buffer.Buffer, t time.Time) {
+	year, month, day := t.Date()
+	buf.WritePosIntWidth(year, 4)
+	buf.WriteByte('-')
+	buf.WritePosIntWidth(int(month), 2)
+	buf.WriteByte('-')
+	buf.WritePosIntWidth(day, 2)
+	buf.WriteByte('T')
+	hour, min, sec := t.Clock()
+	buf.WritePosIntWidth(hour, 2)
+	buf.WriteByte(':')
+	buf.WritePosIntWidth(min, 2)
+	buf.WriteByte(':')
+	buf.WritePosIntWidth(sec, 2)
+	ns := t.Nanosecond()
+	buf.WriteByte('.')
+	buf.WritePosIntWidth(ns/1e6, 3)
+	_, offsetSeconds := t.Zone()
+	if offsetSeconds == 0 {
+		buf.WriteByte('Z')
+	} else {
+		offsetMinutes := offsetSeconds / 60
+		if offsetMinutes < 0 {
+			buf.WriteByte('-')
+			offsetMinutes = -offsetMinutes
+		} else {
+			buf.WriteByte('+')
+		}
+		buf.WritePosIntWidth(offsetMinutes/60, 2)
+		buf.WriteByte(':')
+		buf.WritePosIntWidth(offsetMinutes%60, 2)
+	}
+}
diff --git a/vendor/golang.org/x/exp/slog/internal/buffer/buffer.go b/vendor/golang.org/x/exp/slog/internal/buffer/buffer.go
new file mode 100644
index 000000000..7786c166e
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/internal/buffer/buffer.go
@@ -0,0 +1,84 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package buffer provides a pool-allocated byte buffer.
+package buffer
+
+import (
+	"sync"
+)
+
+// Buffer adapted from go/src/fmt/print.go
+type Buffer []byte
+
+// Having an initial size gives a dramatic speedup.
+var bufPool = sync.Pool{
+	New: func() any {
+		b := make([]byte, 0, 1024)
+		return (*Buffer)(&b)
+	},
+}
+
+func New() *Buffer {
+	return bufPool.Get().(*Buffer)
+}
+
+func (b *Buffer) Free() {
+	// To reduce peak allocation, return only smaller buffers to the pool.
+	const maxBufferSize = 16 << 10
+	if cap(*b) <= maxBufferSize {
+		*b = (*b)[:0]
+		bufPool.Put(b)
+	}
+}
+
+func (b *Buffer) Reset() {
+	*b = (*b)[:0]
+}
+
+func (b *Buffer) Write(p []byte) (int, error) {
+	*b = append(*b, p...)
+	return len(p), nil
+}
+
+func (b *Buffer) WriteString(s string) {
+	*b = append(*b, s...)
+}
+
+func (b *Buffer) WriteByte(c byte) {
+	*b = append(*b, c)
+}
+
+func (b *Buffer) WritePosInt(i int) {
+	b.WritePosIntWidth(i, 0)
+}
+
+// WritePosIntWidth writes non-negative integer i to the buffer, padded on the left
+// by zeroes to the given width. Use a width of 0 to omit padding.
+func (b *Buffer) WritePosIntWidth(i, width int) {
+	// Cheap integer to fixed-width decimal ASCII.
+	// Copied from log/log.go.
+
+	if i < 0 {
+		panic("negative int")
+	}
+
+	// Assemble decimal in reverse order.
+	var bb [20]byte
+	bp := len(bb) - 1
+	for i >= 10 || width > 1 {
+		width--
+		q := i / 10
+		bb[bp] = byte('0' + i - q*10)
+		bp--
+		i = q
+	}
+	// i < 10
+	bb[bp] = byte('0' + i)
+	b.Write(bb[bp:])
+}
+
+func (b *Buffer) String() string {
+	return string(*b)
+}
diff --git a/vendor/golang.org/x/exp/slog/internal/ignorepc.go b/vendor/golang.org/x/exp/slog/internal/ignorepc.go
new file mode 100644
index 000000000..d1256426f
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/internal/ignorepc.go
@@ -0,0 +1,9 @@
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package internal
+
+// If IgnorePC is true, do not invoke runtime.Callers to get the pc.
+// This is solely for benchmarking the slowdown from runtime.Callers.
+var IgnorePC = false
diff --git a/vendor/golang.org/x/exp/slog/json_handler.go b/vendor/golang.org/x/exp/slog/json_handler.go
new file mode 100644
index 000000000..157ada869
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/json_handler.go
@@ -0,0 +1,336 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"strconv"
+	"time"
+	"unicode/utf8"
+
+	"golang.org/x/exp/slog/internal/buffer"
+)
+
+// JSONHandler is a Handler that writes Records to an io.Writer as
+// line-delimited JSON objects.
+type JSONHandler struct {
+	*commonHandler
+}
+
+// NewJSONHandler creates a JSONHandler that writes to w,
+// using the given options.
+// If opts is nil, the default options are used.
+func NewJSONHandler(w io.Writer, opts *HandlerOptions) *JSONHandler {
+	if opts == nil {
+		opts = &HandlerOptions{}
+	}
+	return &JSONHandler{
+		&commonHandler{
+			json: true,
+			w:    w,
+			opts: *opts,
+		},
+	}
+}
+
+// Enabled reports whether the handler handles records at the given level.
+// The handler ignores records whose level is lower.
+func (h *JSONHandler) Enabled(_ context.Context, level Level) bool {
+	return h.commonHandler.enabled(level)
+}
+
+// WithAttrs returns a new JSONHandler whose attributes consists
+// of h's attributes followed by attrs.
+func (h *JSONHandler) WithAttrs(attrs []Attr) Handler {
+	return &JSONHandler{commonHandler: h.commonHandler.withAttrs(attrs)}
+}
+
+func (h *JSONHandler) WithGroup(name string) Handler {
+	return &JSONHandler{commonHandler: h.commonHandler.withGroup(name)}
+}
+
+// Handle formats its argument Record as a JSON object on a single line.
+//
+// If the Record's time is zero, the time is omitted.
+// Otherwise, the key is "time"
+// and the value is output as with json.Marshal.
+//
+// If the Record's level is zero, the level is omitted.
+// Otherwise, the key is "level"
+// and the value of [Level.String] is output.
+//
+// If the AddSource option is set and source information is available,
+// the key is "source"
+// and the value is output as "FILE:LINE".
+//
+// The message's key is "msg".
+//
+// To modify these or other attributes, or remove them from the output, use
+// [HandlerOptions.ReplaceAttr].
+//
+// Values are formatted as with an [encoding/json.Encoder] with SetEscapeHTML(false),
+// with two exceptions.
+//
+// First, an Attr whose Value is of type error is formatted as a string, by
+// calling its Error method. Only errors in Attrs receive this special treatment,
+// not errors embedded in structs, slices, maps or other data structures that
+// are processed by the encoding/json package.
+//
+// Second, an encoding failure does not cause Handle to return an error.
+// Instead, the error message is formatted as a string.
+//
+// Each call to Handle results in a single serialized call to io.Writer.Write.
+func (h *JSONHandler) Handle(_ context.Context, r Record) error {
+	return h.commonHandler.handle(r)
+}
+
+// Adapted from time.Time.MarshalJSON to avoid allocation.
+func appendJSONTime(s *handleState, t time.Time) {
+	if y := t.Year(); y < 0 || y >= 10000 {
+		// RFC 3339 is clear that years are 4 digits exactly.
+		// See golang.org/issue/4556#c15 for more discussion.
+		s.appendError(errors.New("time.Time year outside of range [0,9999]"))
+	}
+	s.buf.WriteByte('"')
+	*s.buf = t.AppendFormat(*s.buf, time.RFC3339Nano)
+	s.buf.WriteByte('"')
+}
+
+func appendJSONValue(s *handleState, v Value) error {
+	switch v.Kind() {
+	case KindString:
+		s.appendString(v.str())
+	case KindInt64:
+		*s.buf = strconv.AppendInt(*s.buf, v.Int64(), 10)
+	case KindUint64:
+		*s.buf = strconv.AppendUint(*s.buf, v.Uint64(), 10)
+	case KindFloat64:
+		// json.Marshal is funny about floats; it doesn't
+		// always match strconv.AppendFloat. So just call it.
+		// That's expensive, but floats are rare.
+		if err := appendJSONMarshal(s.buf, v.Float64()); err != nil {
+			return err
+		}
+	case KindBool:
+		*s.buf = strconv.AppendBool(*s.buf, v.Bool())
+	case KindDuration:
+		// Do what json.Marshal does.
+		*s.buf = strconv.AppendInt(*s.buf, int64(v.Duration()), 10)
+	case KindTime:
+		s.appendTime(v.Time())
+	case KindAny:
+		a := v.Any()
+		_, jm := a.(json.Marshaler)
+		if err, ok := a.(error); ok && !jm {
+			s.appendString(err.Error())
+		} else {
+			return appendJSONMarshal(s.buf, a)
+		}
+	default:
+		panic(fmt.Sprintf("bad kind: %s", v.Kind()))
+	}
+	return nil
+}
+
+func appendJSONMarshal(buf *buffer.Buffer, v any) error {
+	// Use a json.Encoder to avoid escaping HTML.
+	var bb bytes.Buffer
+	enc := json.NewEncoder(&bb)
+	enc.SetEscapeHTML(false)
+	if err := enc.Encode(v); err != nil {
+		return err
+	}
+	bs := bb.Bytes()
+	buf.Write(bs[:len(bs)-1]) // remove final newline
+	return nil
+}
+
+// appendEscapedJSONString escapes s for JSON and appends it to buf.
+// It does not surround the string in quotation marks.
+//
+// Modified from encoding/json/encode.go:encodeState.string,
+// with escapeHTML set to false.
+func appendEscapedJSONString(buf []byte, s string) []byte {
+	char := func(b byte) { buf = append(buf, b) }
+	str := func(s string) { buf = append(buf, s...) }
+
+	start := 0
+	for i := 0; i < len(s); {
+		if b := s[i]; b < utf8.RuneSelf {
+			if safeSet[b] {
+				i++
+				continue
+			}
+			if start < i {
+				str(s[start:i])
+			}
+			char('\\')
+			switch b {
+			case '\\', '"':
+				char(b)
+			case '\n':
+				char('n')
+			case '\r':
+				char('r')
+			case '\t':
+				char('t')
+			default:
+				// This encodes bytes < 0x20 except for \t, \n and \r.
+				str(`u00`)
+				char(hex[b>>4])
+				char(hex[b&0xF])
+			}
+			i++
+			start = i
+			continue
+		}
+		c, size := utf8.DecodeRuneInString(s[i:])
+		if c == utf8.RuneError && size == 1 {
+			if start < i {
+				str(s[start:i])
+			}
+			str(`\ufffd`)
+			i += size
+			start = i
+			continue
+		}
+		// U+2028 is LINE SEPARATOR.
+		// U+2029 is PARAGRAPH SEPARATOR.
+		// They are both technically valid characters in JSON strings,
+		// but don't work in JSONP, which has to be evaluated as JavaScript,
+		// and can lead to security holes there. It is valid JSON to
+		// escape them, so we do so unconditionally.
+		// See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
+		if c == '\u2028' || c == '\u2029' {
+			if start < i {
+				str(s[start:i])
+			}
+			str(`\u202`)
+			char(hex[c&0xF])
+			i += size
+			start = i
+			continue
+		}
+		i += size
+	}
+	if start < len(s) {
+		str(s[start:])
+	}
+	return buf
+}
+
+var hex = "0123456789abcdef"
+
+// Copied from encoding/json/tables.go.
+//
+// safeSet holds the value true if the ASCII character with the given array
+// position can be represented inside a JSON string without any further
+// escaping.
+//
+// All values are true except for the ASCII control characters (0-31), the
+// double quote ("), and the backslash character ("\").
+var safeSet = [utf8.RuneSelf]bool{
+	' ':      true,
+	'!':      true,
+	'"':      false,
+	'#':      true,
+	'$':      true,
+	'%':      true,
+	'&':      true,
+	'\'':     true,
+	'(':      true,
+	')':      true,
+	'*':      true,
+	'+':      true,
+	',':      true,
+	'-':      true,
+	'.':      true,
+	'/':      true,
+	'0':      true,
+	'1':      true,
+	'2':      true,
+	'3':      true,
+	'4':      true,
+	'5':      true,
+	'6':      true,
+	'7':      true,
+	'8':      true,
+	'9':      true,
+	':':      true,
+	';':      true,
+	'<':      true,
+	'=':      true,
+	'>':      true,
+	'?':      true,
+	'@':      true,
+	'A':      true,
+	'B':      true,
+	'C':      true,
+	'D':      true,
+	'E':      true,
+	'F':      true,
+	'G':      true,
+	'H':      true,
+	'I':      true,
+	'J':      true,
+	'K':      true,
+	'L':      true,
+	'M':      true,
+	'N':      true,
+	'O':      true,
+	'P':      true,
+	'Q':      true,
+	'R':      true,
+	'S':      true,
+	'T':      true,
+	'U':      true,
+	'V':      true,
+	'W':      true,
+	'X':      true,
+	'Y':      true,
+	'Z':      true,
+	'[':      true,
+	'\\':     false,
+	']':      true,
+	'^':      true,
+	'_':      true,
+	'`':      true,
+	'a':      true,
+	'b':      true,
+	'c':      true,
+	'd':      true,
+	'e':      true,
+	'f':      true,
+	'g':      true,
+	'h':      true,
+	'i':      true,
+	'j':      true,
+	'k':      true,
+	'l':      true,
+	'm':      true,
+	'n':      true,
+	'o':      true,
+	'p':      true,
+	'q':      true,
+	'r':      true,
+	's':      true,
+	't':      true,
+	'u':      true,
+	'v':      true,
+	'w':      true,
+	'x':      true,
+	'y':      true,
+	'z':      true,
+	'{':      true,
+	'|':      true,
+	'}':      true,
+	'~':      true,
+	'\u007f': true,
+}
diff --git a/vendor/golang.org/x/exp/slog/level.go b/vendor/golang.org/x/exp/slog/level.go
new file mode 100644
index 000000000..b2365f0aa
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/level.go
@@ -0,0 +1,201 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"sync/atomic"
+)
+
+// A Level is the importance or severity of a log event.
+// The higher the level, the more important or severe the event.
+type Level int
+
+// Level numbers are inherently arbitrary,
+// but we picked them to satisfy three constraints.
+// Any system can map them to another numbering scheme if it wishes.
+//
+// First, we wanted the default level to be Info, Since Levels are ints, Info is
+// the default value for int, zero.
+//
+
+// Second, we wanted to make it easy to use levels to specify logger verbosity.
+// Since a larger level means a more severe event, a logger that accepts events
+// with smaller (or more negative) level means a more verbose logger. Logger
+// verbosity is thus the negation of event severity, and the default verbosity
+// of 0 accepts all events at least as severe as INFO.
+//
+// Third, we wanted some room between levels to accommodate schemes with named
+// levels between ours. For example, Google Cloud Logging defines a Notice level
+// between Info and Warn. Since there are only a few of these intermediate
+// levels, the gap between the numbers need not be large. Our gap of 4 matches
+// OpenTelemetry's mapping. Subtracting 9 from an OpenTelemetry level in the
+// DEBUG, INFO, WARN and ERROR ranges converts it to the corresponding slog
+// Level range. OpenTelemetry also has the names TRACE and FATAL, which slog
+// does not. But those OpenTelemetry levels can still be represented as slog
+// Levels by using the appropriate integers.
+//
+// Names for common levels.
+const (
+	LevelDebug Level = -4
+	LevelInfo  Level = 0
+	LevelWarn  Level = 4
+	LevelError Level = 8
+)
+
+// String returns a name for the level.
+// If the level has a name, then that name
+// in uppercase is returned.
+// If the level is between named values, then
+// an integer is appended to the uppercased name.
+// Examples:
+//
+//	LevelWarn.String() => "WARN"
+//	(LevelInfo+2).String() => "INFO+2"
+func (l Level) String() string {
+	str := func(base string, val Level) string {
+		if val == 0 {
+			return base
+		}
+		return fmt.Sprintf("%s%+d", base, val)
+	}
+
+	switch {
+	case l < LevelInfo:
+		return str("DEBUG", l-LevelDebug)
+	case l < LevelWarn:
+		return str("INFO", l-LevelInfo)
+	case l < LevelError:
+		return str("WARN", l-LevelWarn)
+	default:
+		return str("ERROR", l-LevelError)
+	}
+}
+
+// MarshalJSON implements [encoding/json.Marshaler]
+// by quoting the output of [Level.String].
+func (l Level) MarshalJSON() ([]byte, error) {
+	// AppendQuote is sufficient for JSON-encoding all Level strings.
+	// They don't contain any runes that would produce invalid JSON
+	// when escaped.
+	return strconv.AppendQuote(nil, l.String()), nil
+}
+
+// UnmarshalJSON implements [encoding/json.Unmarshaler]
+// It accepts any string produced by [Level.MarshalJSON],
+// ignoring case.
+// It also accepts numeric offsets that would result in a different string on
+// output. For example, "Error-8" would marshal as "INFO".
+func (l *Level) UnmarshalJSON(data []byte) error {
+	s, err := strconv.Unquote(string(data))
+	if err != nil {
+		return err
+	}
+	return l.parse(s)
+}
+
+// MarshalText implements [encoding.TextMarshaler]
+// by calling [Level.String].
+func (l Level) MarshalText() ([]byte, error) {
+	return []byte(l.String()), nil
+}
+
+// UnmarshalText implements [encoding.TextUnmarshaler].
+// It accepts any string produced by [Level.MarshalText],
+// ignoring case.
+// It also accepts numeric offsets that would result in a different string on
+// output. For example, "Error-8" would marshal as "INFO".
+func (l *Level) UnmarshalText(data []byte) error {
+	return l.parse(string(data))
+}
+
+func (l *Level) parse(s string) (err error) {
+	defer func() {
+		if err != nil {
+			err = fmt.Errorf("slog: level string %q: %w", s, err)
+		}
+	}()
+
+	name := s
+	offset := 0
+	if i := strings.IndexAny(s, "+-"); i >= 0 {
+		name = s[:i]
+		offset, err = strconv.Atoi(s[i:])
+		if err != nil {
+			return err
+		}
+	}
+	switch strings.ToUpper(name) {
+	case "DEBUG":
+		*l = LevelDebug
+	case "INFO":
+		*l = LevelInfo
+	case "WARN":
+		*l = LevelWarn
+	case "ERROR":
+		*l = LevelError
+	default:
+		return errors.New("unknown name")
+	}
+	*l += Level(offset)
+	return nil
+}
+
+// Level returns the receiver.
+// It implements Leveler.
+func (l Level) Level() Level { return l }
+
+// A LevelVar is a Level variable, to allow a Handler level to change
+// dynamically.
+// It implements Leveler as well as a Set method,
+// and it is safe for use by multiple goroutines.
+// The zero LevelVar corresponds to LevelInfo.
+type LevelVar struct {
+	val atomic.Int64
+}
+
+// Level returns v's level.
+func (v *LevelVar) Level() Level {
+	return Level(int(v.val.Load()))
+}
+
+// Set sets v's level to l.
+func (v *LevelVar) Set(l Level) {
+	v.val.Store(int64(l))
+}
+
+func (v *LevelVar) String() string {
+	return fmt.Sprintf("LevelVar(%s)", v.Level())
+}
+
+// MarshalText implements [encoding.TextMarshaler]
+// by calling [Level.MarshalText].
+func (v *LevelVar) MarshalText() ([]byte, error) {
+	return v.Level().MarshalText()
+}
+
+// UnmarshalText implements [encoding.TextUnmarshaler]
+// by calling [Level.UnmarshalText].
+func (v *LevelVar) UnmarshalText(data []byte) error {
+	var l Level
+	if err := l.UnmarshalText(data); err != nil {
+		return err
+	}
+	v.Set(l)
+	return nil
+}
+
+// A Leveler provides a Level value.
+//
+// As Level itself implements Leveler, clients typically supply
+// a Level value wherever a Leveler is needed, such as in HandlerOptions.
+// Clients who need to vary the level dynamically can provide a more complex
+// Leveler implementation such as *LevelVar.
+type Leveler interface {
+	Level() Level
+}
diff --git a/vendor/golang.org/x/exp/slog/logger.go b/vendor/golang.org/x/exp/slog/logger.go
new file mode 100644
index 000000000..e87ec9936
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/logger.go
@@ -0,0 +1,343 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"context"
+	"log"
+	"runtime"
+	"sync/atomic"
+	"time"
+
+	"golang.org/x/exp/slog/internal"
+)
+
+var defaultLogger atomic.Value
+
+func init() {
+	defaultLogger.Store(New(newDefaultHandler(log.Output)))
+}
+
+// Default returns the default Logger.
+func Default() *Logger { return defaultLogger.Load().(*Logger) }
+
+// SetDefault makes l the default Logger.
+// After this call, output from the log package's default Logger
+// (as with [log.Print], etc.) will be logged at LevelInfo using l's Handler.
+func SetDefault(l *Logger) {
+	defaultLogger.Store(l)
+	// If the default's handler is a defaultHandler, then don't use a handleWriter,
+	// or we'll deadlock as they both try to acquire the log default mutex.
+	// The defaultHandler will use whatever the log default writer is currently
+	// set to, which is correct.
+	// This can occur with SetDefault(Default()).
+	// See TestSetDefault.
+	if _, ok := l.Handler().(*defaultHandler); !ok {
+		capturePC := log.Flags()&(log.Lshortfile|log.Llongfile) != 0
+		log.SetOutput(&handlerWriter{l.Handler(), LevelInfo, capturePC})
+		log.SetFlags(0) // we want just the log message, no time or location
+	}
+}
+
+// handlerWriter is an io.Writer that calls a Handler.
+// It is used to link the default log.Logger to the default slog.Logger.
+type handlerWriter struct {
+	h         Handler
+	level     Level
+	capturePC bool
+}
+
+func (w *handlerWriter) Write(buf []byte) (int, error) {
+	if !w.h.Enabled(context.Background(), w.level) {
+		return 0, nil
+	}
+	var pc uintptr
+	if !internal.IgnorePC && w.capturePC {
+		// skip [runtime.Callers, w.Write, Logger.Output, log.Print]
+		var pcs [1]uintptr
+		runtime.Callers(4, pcs[:])
+		pc = pcs[0]
+	}
+
+	// Remove final newline.
+	origLen := len(buf) // Report that the entire buf was written.
+	if len(buf) > 0 && buf[len(buf)-1] == '\n' {
+		buf = buf[:len(buf)-1]
+	}
+	r := NewRecord(time.Now(), w.level, string(buf), pc)
+	return origLen, w.h.Handle(context.Background(), r)
+}
+
+// A Logger records structured information about each call to its
+// Log, Debug, Info, Warn, and Error methods.
+// For each call, it creates a Record and passes it to a Handler.
+//
+// To create a new Logger, call [New] or a Logger method
+// that begins "With".
+type Logger struct {
+	handler Handler // for structured logging
+}
+
+func (l *Logger) clone() *Logger {
+	c := *l
+	return &c
+}
+
+// Handler returns l's Handler.
+func (l *Logger) Handler() Handler { return l.handler }
+
+// With returns a new Logger that includes the given arguments, converted to
+// Attrs as in [Logger.Log].
+// The Attrs will be added to each output from the Logger.
+// The new Logger shares the old Logger's context.
+// The new Logger's handler is the result of calling WithAttrs on the receiver's
+// handler.
+func (l *Logger) With(args ...any) *Logger {
+	c := l.clone()
+	c.handler = l.handler.WithAttrs(argsToAttrSlice(args))
+	return c
+}
+
+// WithGroup returns a new Logger that starts a group. The keys of all
+// attributes added to the Logger will be qualified by the given name.
+// (How that qualification happens depends on the [Handler.WithGroup]
+// method of the Logger's Handler.)
+// The new Logger shares the old Logger's context.
+//
+// The new Logger's handler is the result of calling WithGroup on the receiver's
+// handler.
+func (l *Logger) WithGroup(name string) *Logger {
+	c := l.clone()
+	c.handler = l.handler.WithGroup(name)
+	return c
+
+}
+
+// New creates a new Logger with the given non-nil Handler and a nil context.
+func New(h Handler) *Logger {
+	if h == nil {
+		panic("nil Handler")
+	}
+	return &Logger{handler: h}
+}
+
+// With calls Logger.With on the default logger.
+func With(args ...any) *Logger {
+	return Default().With(args...)
+}
+
+// Enabled reports whether l emits log records at the given context and level.
+func (l *Logger) Enabled(ctx context.Context, level Level) bool {
+	if ctx == nil {
+		ctx = context.Background()
+	}
+	return l.Handler().Enabled(ctx, level)
+}
+
+// NewLogLogger returns a new log.Logger such that each call to its Output method
+// dispatches a Record to the specified handler. The logger acts as a bridge from
+// the older log API to newer structured logging handlers.
+func NewLogLogger(h Handler, level Level) *log.Logger {
+	return log.New(&handlerWriter{h, level, true}, "", 0)
+}
+
+// Log emits a log record with the current time and the given level and message.
+// The Record's Attrs consist of the Logger's attributes followed by
+// the Attrs specified by args.
+//
+// The attribute arguments are processed as follows:
+//   - If an argument is an Attr, it is used as is.
+//   - If an argument is a string and this is not the last argument,
+//     the following argument is treated as the value and the two are combined
+//     into an Attr.
+//   - Otherwise, the argument is treated as a value with key "!BADKEY".
+func (l *Logger) Log(ctx context.Context, level Level, msg string, args ...any) {
+	l.log(ctx, level, msg, args...)
+}
+
+// LogAttrs is a more efficient version of [Logger.Log] that accepts only Attrs.
+func (l *Logger) LogAttrs(ctx context.Context, level Level, msg string, attrs ...Attr) {
+	l.logAttrs(ctx, level, msg, attrs...)
+}
+
+// Debug logs at LevelDebug.
+func (l *Logger) Debug(msg string, args ...any) {
+	l.log(nil, LevelDebug, msg, args...)
+}
+
+// DebugContext logs at LevelDebug with the given context.
+func (l *Logger) DebugContext(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelDebug, msg, args...)
+}
+
+// DebugCtx logs at LevelDebug with the given context.
+// Deprecated: Use Logger.DebugContext.
+func (l *Logger) DebugCtx(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelDebug, msg, args...)
+}
+
+// Info logs at LevelInfo.
+func (l *Logger) Info(msg string, args ...any) {
+	l.log(nil, LevelInfo, msg, args...)
+}
+
+// InfoContext logs at LevelInfo with the given context.
+func (l *Logger) InfoContext(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelInfo, msg, args...)
+}
+
+// InfoCtx logs at LevelInfo with the given context.
+// Deprecated: Use Logger.InfoContext.
+func (l *Logger) InfoCtx(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelInfo, msg, args...)
+}
+
+// Warn logs at LevelWarn.
+func (l *Logger) Warn(msg string, args ...any) {
+	l.log(nil, LevelWarn, msg, args...)
+}
+
+// WarnContext logs at LevelWarn with the given context.
+func (l *Logger) WarnContext(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelWarn, msg, args...)
+}
+
+// WarnCtx logs at LevelWarn with the given context.
+// Deprecated: Use Logger.WarnContext.
+func (l *Logger) WarnCtx(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelWarn, msg, args...)
+}
+
+// Error logs at LevelError.
+func (l *Logger) Error(msg string, args ...any) {
+	l.log(nil, LevelError, msg, args...)
+}
+
+// ErrorContext logs at LevelError with the given context.
+func (l *Logger) ErrorContext(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelError, msg, args...)
+}
+
+// ErrorCtx logs at LevelError with the given context.
+// Deprecated: Use Logger.ErrorContext.
+func (l *Logger) ErrorCtx(ctx context.Context, msg string, args ...any) {
+	l.log(ctx, LevelError, msg, args...)
+}
+
+// log is the low-level logging method for methods that take ...any.
+// It must always be called directly by an exported logging method
+// or function, because it uses a fixed call depth to obtain the pc.
+func (l *Logger) log(ctx context.Context, level Level, msg string, args ...any) {
+	if !l.Enabled(ctx, level) {
+		return
+	}
+	var pc uintptr
+	if !internal.IgnorePC {
+		var pcs [1]uintptr
+		// skip [runtime.Callers, this function, this function's caller]
+		runtime.Callers(3, pcs[:])
+		pc = pcs[0]
+	}
+	r := NewRecord(time.Now(), level, msg, pc)
+	r.Add(args...)
+	if ctx == nil {
+		ctx = context.Background()
+	}
+	_ = l.Handler().Handle(ctx, r)
+}
+
+// logAttrs is like [Logger.log], but for methods that take ...Attr.
+func (l *Logger) logAttrs(ctx context.Context, level Level, msg string, attrs ...Attr) {
+	if !l.Enabled(ctx, level) {
+		return
+	}
+	var pc uintptr
+	if !internal.IgnorePC {
+		var pcs [1]uintptr
+		// skip [runtime.Callers, this function, this function's caller]
+		runtime.Callers(3, pcs[:])
+		pc = pcs[0]
+	}
+	r := NewRecord(time.Now(), level, msg, pc)
+	r.AddAttrs(attrs...)
+	if ctx == nil {
+		ctx = context.Background()
+	}
+	_ = l.Handler().Handle(ctx, r)
+}
+
+// Debug calls Logger.Debug on the default logger.
+func Debug(msg string, args ...any) {
+	Default().log(nil, LevelDebug, msg, args...)
+}
+
+// DebugContext calls Logger.DebugContext on the default logger.
+func DebugContext(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelDebug, msg, args...)
+}
+
+// Info calls Logger.Info on the default logger.
+func Info(msg string, args ...any) {
+	Default().log(nil, LevelInfo, msg, args...)
+}
+
+// InfoContext calls Logger.InfoContext on the default logger.
+func InfoContext(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelInfo, msg, args...)
+}
+
+// Warn calls Logger.Warn on the default logger.
+func Warn(msg string, args ...any) {
+	Default().log(nil, LevelWarn, msg, args...)
+}
+
+// WarnContext calls Logger.WarnContext on the default logger.
+func WarnContext(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelWarn, msg, args...)
+}
+
+// Error calls Logger.Error on the default logger.
+func Error(msg string, args ...any) {
+	Default().log(nil, LevelError, msg, args...)
+}
+
+// ErrorContext calls Logger.ErrorContext on the default logger.
+func ErrorContext(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelError, msg, args...)
+}
+
+// DebugCtx calls Logger.DebugContext on the default logger.
+// Deprecated: call DebugContext.
+func DebugCtx(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelDebug, msg, args...)
+}
+
+// InfoCtx calls Logger.InfoContext on the default logger.
+// Deprecated: call InfoContext.
+func InfoCtx(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelInfo, msg, args...)
+}
+
+// WarnCtx calls Logger.WarnContext on the default logger.
+// Deprecated: call WarnContext.
+func WarnCtx(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelWarn, msg, args...)
+}
+
+// ErrorCtx calls Logger.ErrorContext on the default logger.
+// Deprecated: call ErrorContext.
+func ErrorCtx(ctx context.Context, msg string, args ...any) {
+	Default().log(ctx, LevelError, msg, args...)
+}
+
+// Log calls Logger.Log on the default logger.
+func Log(ctx context.Context, level Level, msg string, args ...any) {
+	Default().log(ctx, level, msg, args...)
+}
+
+// LogAttrs calls Logger.LogAttrs on the default logger.
+func LogAttrs(ctx context.Context, level Level, msg string, attrs ...Attr) {
+	Default().logAttrs(ctx, level, msg, attrs...)
+}
diff --git a/vendor/golang.org/x/exp/slog/noplog.bench b/vendor/golang.org/x/exp/slog/noplog.bench
new file mode 100644
index 000000000..ed9296ff6
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/noplog.bench
@@ -0,0 +1,36 @@
+goos: linux
+goarch: amd64
+pkg: golang.org/x/exp/slog
+cpu: Intel(R) Xeon(R) CPU @ 2.20GHz
+BenchmarkNopLog/attrs-8         	 1000000	      1090 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-8         	 1000000	      1097 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-8         	 1000000	      1078 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-8         	 1000000	      1095 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-8         	 1000000	      1096 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-parallel-8         	 4007268	       308.2 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-parallel-8         	 4016138	       299.7 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-parallel-8         	 4020529	       305.9 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-parallel-8         	 3977829	       303.4 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/attrs-parallel-8         	 3225438	       318.5 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/keys-values-8            	 1179256	       994.2 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/keys-values-8            	 1000000	      1002 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/keys-values-8            	 1216710	       993.2 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/keys-values-8            	 1000000	      1013 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/keys-values-8            	 1000000	      1016 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-8            	  989066	      1163 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-8            	  994116	      1163 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-8            	 1000000	      1152 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-8            	  991675	      1165 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-8            	  965268	      1166 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-parallel-8   	 3955503	       303.3 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-parallel-8   	 3861188	       307.8 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-parallel-8   	 3967752	       303.9 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-parallel-8   	 3955203	       302.7 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/WithContext-parallel-8   	 3948278	       301.1 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/Ctx-8                    	  940622	      1247 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/Ctx-8                    	  936381	      1257 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/Ctx-8                    	  959730	      1266 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/Ctx-8                    	  943473	      1290 ns/op	       0 B/op	       0 allocs/op
+BenchmarkNopLog/Ctx-8                    	  919414	      1259 ns/op	       0 B/op	       0 allocs/op
+PASS
+ok  	golang.org/x/exp/slog	40.566s
diff --git a/vendor/golang.org/x/exp/slog/record.go b/vendor/golang.org/x/exp/slog/record.go
new file mode 100644
index 000000000..38b3440f7
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/record.go
@@ -0,0 +1,207 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"runtime"
+	"time"
+
+	"golang.org/x/exp/slices"
+)
+
+const nAttrsInline = 5
+
+// A Record holds information about a log event.
+// Copies of a Record share state.
+// Do not modify a Record after handing out a copy to it.
+// Use [Record.Clone] to create a copy with no shared state.
+type Record struct {
+	// The time at which the output method (Log, Info, etc.) was called.
+	Time time.Time
+
+	// The log message.
+	Message string
+
+	// The level of the event.
+	Level Level
+
+	// The program counter at the time the record was constructed, as determined
+	// by runtime.Callers. If zero, no program counter is available.
+	//
+	// The only valid use for this value is as an argument to
+	// [runtime.CallersFrames]. In particular, it must not be passed to
+	// [runtime.FuncForPC].
+	PC uintptr
+
+	// Allocation optimization: an inline array sized to hold
+	// the majority of log calls (based on examination of open-source
+	// code). It holds the start of the list of Attrs.
+	front [nAttrsInline]Attr
+
+	// The number of Attrs in front.
+	nFront int
+
+	// The list of Attrs except for those in front.
+	// Invariants:
+	//   - len(back) > 0 iff nFront == len(front)
+	//   - Unused array elements are zero. Used to detect mistakes.
+	back []Attr
+}
+
+// NewRecord creates a Record from the given arguments.
+// Use [Record.AddAttrs] to add attributes to the Record.
+//
+// NewRecord is intended for logging APIs that want to support a [Handler] as
+// a backend.
+func NewRecord(t time.Time, level Level, msg string, pc uintptr) Record {
+	return Record{
+		Time:    t,
+		Message: msg,
+		Level:   level,
+		PC:      pc,
+	}
+}
+
+// Clone returns a copy of the record with no shared state.
+// The original record and the clone can both be modified
+// without interfering with each other.
+func (r Record) Clone() Record {
+	r.back = slices.Clip(r.back) // prevent append from mutating shared array
+	return r
+}
+
+// NumAttrs returns the number of attributes in the Record.
+func (r Record) NumAttrs() int {
+	return r.nFront + len(r.back)
+}
+
+// Attrs calls f on each Attr in the Record.
+// Iteration stops if f returns false.
+func (r Record) Attrs(f func(Attr) bool) {
+	for i := 0; i < r.nFront; i++ {
+		if !f(r.front[i]) {
+			return
+		}
+	}
+	for _, a := range r.back {
+		if !f(a) {
+			return
+		}
+	}
+}
+
+// AddAttrs appends the given Attrs to the Record's list of Attrs.
+func (r *Record) AddAttrs(attrs ...Attr) {
+	n := copy(r.front[r.nFront:], attrs)
+	r.nFront += n
+	// Check if a copy was modified by slicing past the end
+	// and seeing if the Attr there is non-zero.
+	if cap(r.back) > len(r.back) {
+		end := r.back[:len(r.back)+1][len(r.back)]
+		if !end.isEmpty() {
+			panic("copies of a slog.Record were both modified")
+		}
+	}
+	r.back = append(r.back, attrs[n:]...)
+}
+
+// Add converts the args to Attrs as described in [Logger.Log],
+// then appends the Attrs to the Record's list of Attrs.
+func (r *Record) Add(args ...any) {
+	var a Attr
+	for len(args) > 0 {
+		a, args = argsToAttr(args)
+		if r.nFront < len(r.front) {
+			r.front[r.nFront] = a
+			r.nFront++
+		} else {
+			if r.back == nil {
+				r.back = make([]Attr, 0, countAttrs(args))
+			}
+			r.back = append(r.back, a)
+		}
+	}
+
+}
+
+// countAttrs returns the number of Attrs that would be created from args.
+func countAttrs(args []any) int {
+	n := 0
+	for i := 0; i < len(args); i++ {
+		n++
+		if _, ok := args[i].(string); ok {
+			i++
+		}
+	}
+	return n
+}
+
+const badKey = "!BADKEY"
+
+// argsToAttr turns a prefix of the nonempty args slice into an Attr
+// and returns the unconsumed portion of the slice.
+// If args[0] is an Attr, it returns it.
+// If args[0] is a string, it treats the first two elements as
+// a key-value pair.
+// Otherwise, it treats args[0] as a value with a missing key.
+func argsToAttr(args []any) (Attr, []any) {
+	switch x := args[0].(type) {
+	case string:
+		if len(args) == 1 {
+			return String(badKey, x), nil
+		}
+		return Any(x, args[1]), args[2:]
+
+	case Attr:
+		return x, args[1:]
+
+	default:
+		return Any(badKey, x), args[1:]
+	}
+}
+
+// Source describes the location of a line of source code.
+type Source struct {
+	// Function is the package path-qualified function name containing the
+	// source line. If non-empty, this string uniquely identifies a single
+	// function in the program. This may be the empty string if not known.
+	Function string `json:"function"`
+	// File and Line are the file name and line number (1-based) of the source
+	// line. These may be the empty string and zero, respectively, if not known.
+	File string `json:"file"`
+	Line int    `json:"line"`
+}
+
+// attrs returns the non-zero fields of s as a slice of attrs.
+// It is similar to a LogValue method, but we don't want Source
+// to implement LogValuer because it would be resolved before
+// the ReplaceAttr function was called.
+func (s *Source) group() Value {
+	var as []Attr
+	if s.Function != "" {
+		as = append(as, String("function", s.Function))
+	}
+	if s.File != "" {
+		as = append(as, String("file", s.File))
+	}
+	if s.Line != 0 {
+		as = append(as, Int("line", s.Line))
+	}
+	return GroupValue(as...)
+}
+
+// source returns a Source for the log event.
+// If the Record was created without the necessary information,
+// or if the location is unavailable, it returns a non-nil *Source
+// with zero fields.
+func (r Record) source() *Source {
+	fs := runtime.CallersFrames([]uintptr{r.PC})
+	f, _ := fs.Next()
+	return &Source{
+		Function: f.Function,
+		File:     f.File,
+		Line:     f.Line,
+	}
+}
diff --git a/vendor/golang.org/x/exp/slog/text_handler.go b/vendor/golang.org/x/exp/slog/text_handler.go
new file mode 100644
index 000000000..75b66b716
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/text_handler.go
@@ -0,0 +1,161 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"context"
+	"encoding"
+	"fmt"
+	"io"
+	"reflect"
+	"strconv"
+	"unicode"
+	"unicode/utf8"
+)
+
+// TextHandler is a Handler that writes Records to an io.Writer as a
+// sequence of key=value pairs separated by spaces and followed by a newline.
+type TextHandler struct {
+	*commonHandler
+}
+
+// NewTextHandler creates a TextHandler that writes to w,
+// using the given options.
+// If opts is nil, the default options are used.
+func NewTextHandler(w io.Writer, opts *HandlerOptions) *TextHandler {
+	if opts == nil {
+		opts = &HandlerOptions{}
+	}
+	return &TextHandler{
+		&commonHandler{
+			json: false,
+			w:    w,
+			opts: *opts,
+		},
+	}
+}
+
+// Enabled reports whether the handler handles records at the given level.
+// The handler ignores records whose level is lower.
+func (h *TextHandler) Enabled(_ context.Context, level Level) bool {
+	return h.commonHandler.enabled(level)
+}
+
+// WithAttrs returns a new TextHandler whose attributes consists
+// of h's attributes followed by attrs.
+func (h *TextHandler) WithAttrs(attrs []Attr) Handler {
+	return &TextHandler{commonHandler: h.commonHandler.withAttrs(attrs)}
+}
+
+func (h *TextHandler) WithGroup(name string) Handler {
+	return &TextHandler{commonHandler: h.commonHandler.withGroup(name)}
+}
+
+// Handle formats its argument Record as a single line of space-separated
+// key=value items.
+//
+// If the Record's time is zero, the time is omitted.
+// Otherwise, the key is "time"
+// and the value is output in RFC3339 format with millisecond precision.
+//
+// If the Record's level is zero, the level is omitted.
+// Otherwise, the key is "level"
+// and the value of [Level.String] is output.
+//
+// If the AddSource option is set and source information is available,
+// the key is "source" and the value is output as FILE:LINE.
+//
+// The message's key is "msg".
+//
+// To modify these or other attributes, or remove them from the output, use
+// [HandlerOptions.ReplaceAttr].
+//
+// If a value implements [encoding.TextMarshaler], the result of MarshalText is
+// written. Otherwise, the result of fmt.Sprint is written.
+//
+// Keys and values are quoted with [strconv.Quote] if they contain Unicode space
+// characters, non-printing characters, '"' or '='.
+//
+// Keys inside groups consist of components (keys or group names) separated by
+// dots. No further escaping is performed.
+// Thus there is no way to determine from the key "a.b.c" whether there
+// are two groups "a" and "b" and a key "c", or a single group "a.b" and a key "c",
+// or single group "a" and a key "b.c".
+// If it is necessary to reconstruct the group structure of a key
+// even in the presence of dots inside components, use
+// [HandlerOptions.ReplaceAttr] to encode that information in the key.
+//
+// Each call to Handle results in a single serialized call to
+// io.Writer.Write.
+func (h *TextHandler) Handle(_ context.Context, r Record) error {
+	return h.commonHandler.handle(r)
+}
+
+func appendTextValue(s *handleState, v Value) error {
+	switch v.Kind() {
+	case KindString:
+		s.appendString(v.str())
+	case KindTime:
+		s.appendTime(v.time())
+	case KindAny:
+		if tm, ok := v.any.(encoding.TextMarshaler); ok {
+			data, err := tm.MarshalText()
+			if err != nil {
+				return err
+			}
+			// TODO: avoid the conversion to string.
+			s.appendString(string(data))
+			return nil
+		}
+		if bs, ok := byteSlice(v.any); ok {
+			// As of Go 1.19, this only allocates for strings longer than 32 bytes.
+			s.buf.WriteString(strconv.Quote(string(bs)))
+			return nil
+		}
+		s.appendString(fmt.Sprintf("%+v", v.Any()))
+	default:
+		*s.buf = v.append(*s.buf)
+	}
+	return nil
+}
+
+// byteSlice returns its argument as a []byte if the argument's
+// underlying type is []byte, along with a second return value of true.
+// Otherwise it returns nil, false.
+func byteSlice(a any) ([]byte, bool) {
+	if bs, ok := a.([]byte); ok {
+		return bs, true
+	}
+	// Like Printf's %s, we allow both the slice type and the byte element type to be named.
+	t := reflect.TypeOf(a)
+	if t != nil && t.Kind() == reflect.Slice && t.Elem().Kind() == reflect.Uint8 {
+		return reflect.ValueOf(a).Bytes(), true
+	}
+	return nil, false
+}
+
+func needsQuoting(s string) bool {
+	if len(s) == 0 {
+		return true
+	}
+	for i := 0; i < len(s); {
+		b := s[i]
+		if b < utf8.RuneSelf {
+			// Quote anything except a backslash that would need quoting in a
+			// JSON string, as well as space and '='
+			if b != '\\' && (b == ' ' || b == '=' || !safeSet[b]) {
+				return true
+			}
+			i++
+			continue
+		}
+		r, size := utf8.DecodeRuneInString(s[i:])
+		if r == utf8.RuneError || unicode.IsSpace(r) || !unicode.IsPrint(r) {
+			return true
+		}
+		i += size
+	}
+	return false
+}
diff --git a/vendor/golang.org/x/exp/slog/value.go b/vendor/golang.org/x/exp/slog/value.go
new file mode 100644
index 000000000..3550c46fc
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/value.go
@@ -0,0 +1,456 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package slog
+
+import (
+	"fmt"
+	"math"
+	"runtime"
+	"strconv"
+	"strings"
+	"time"
+	"unsafe"
+
+	"golang.org/x/exp/slices"
+)
+
+// A Value can represent any Go value, but unlike type any,
+// it can represent most small values without an allocation.
+// The zero Value corresponds to nil.
+type Value struct {
+	_ [0]func() // disallow ==
+	// num holds the value for Kinds Int64, Uint64, Float64, Bool and Duration,
+	// the string length for KindString, and nanoseconds since the epoch for KindTime.
+	num uint64
+	// If any is of type Kind, then the value is in num as described above.
+	// If any is of type *time.Location, then the Kind is Time and time.Time value
+	// can be constructed from the Unix nanos in num and the location (monotonic time
+	// is not preserved).
+	// If any is of type stringptr, then the Kind is String and the string value
+	// consists of the length in num and the pointer in any.
+	// Otherwise, the Kind is Any and any is the value.
+	// (This implies that Attrs cannot store values of type Kind, *time.Location
+	// or stringptr.)
+	any any
+}
+
+// Kind is the kind of a Value.
+type Kind int
+
+// The following list is sorted alphabetically, but it's also important that
+// KindAny is 0 so that a zero Value represents nil.
+
+const (
+	KindAny Kind = iota
+	KindBool
+	KindDuration
+	KindFloat64
+	KindInt64
+	KindString
+	KindTime
+	KindUint64
+	KindGroup
+	KindLogValuer
+)
+
+var kindStrings = []string{
+	"Any",
+	"Bool",
+	"Duration",
+	"Float64",
+	"Int64",
+	"String",
+	"Time",
+	"Uint64",
+	"Group",
+	"LogValuer",
+}
+
+func (k Kind) String() string {
+	if k >= 0 && int(k) < len(kindStrings) {
+		return kindStrings[k]
+	}
+	return "<unknown slog.Kind>"
+}
+
+// Unexported version of Kind, just so we can store Kinds in Values.
+// (No user-provided value has this type.)
+type kind Kind
+
+// Kind returns v's Kind.
+func (v Value) Kind() Kind {
+	switch x := v.any.(type) {
+	case Kind:
+		return x
+	case stringptr:
+		return KindString
+	case timeLocation:
+		return KindTime
+	case groupptr:
+		return KindGroup
+	case LogValuer:
+		return KindLogValuer
+	case kind: // a kind is just a wrapper for a Kind
+		return KindAny
+	default:
+		return KindAny
+	}
+}
+
+//////////////// Constructors
+
+// IntValue returns a Value for an int.
+func IntValue(v int) Value {
+	return Int64Value(int64(v))
+}
+
+// Int64Value returns a Value for an int64.
+func Int64Value(v int64) Value {
+	return Value{num: uint64(v), any: KindInt64}
+}
+
+// Uint64Value returns a Value for a uint64.
+func Uint64Value(v uint64) Value {
+	return Value{num: v, any: KindUint64}
+}
+
+// Float64Value returns a Value for a floating-point number.
+func Float64Value(v float64) Value {
+	return Value{num: math.Float64bits(v), any: KindFloat64}
+}
+
+// BoolValue returns a Value for a bool.
+func BoolValue(v bool) Value {
+	u := uint64(0)
+	if v {
+		u = 1
+	}
+	return Value{num: u, any: KindBool}
+}
+
+// Unexported version of *time.Location, just so we can store *time.Locations in
+// Values. (No user-provided value has this type.)
+type timeLocation *time.Location
+
+// TimeValue returns a Value for a time.Time.
+// It discards the monotonic portion.
+func TimeValue(v time.Time) Value {
+	if v.IsZero() {
+		// UnixNano on the zero time is undefined, so represent the zero time
+		// with a nil *time.Location instead. time.Time.Location method never
+		// returns nil, so a Value with any == timeLocation(nil) cannot be
+		// mistaken for any other Value, time.Time or otherwise.
+		return Value{any: timeLocation(nil)}
+	}
+	return Value{num: uint64(v.UnixNano()), any: timeLocation(v.Location())}
+}
+
+// DurationValue returns a Value for a time.Duration.
+func DurationValue(v time.Duration) Value {
+	return Value{num: uint64(v.Nanoseconds()), any: KindDuration}
+}
+
+// AnyValue returns a Value for the supplied value.
+//
+// If the supplied value is of type Value, it is returned
+// unmodified.
+//
+// Given a value of one of Go's predeclared string, bool, or
+// (non-complex) numeric types, AnyValue returns a Value of kind
+// String, Bool, Uint64, Int64, or Float64. The width of the
+// original numeric type is not preserved.
+//
+// Given a time.Time or time.Duration value, AnyValue returns a Value of kind
+// KindTime or KindDuration. The monotonic time is not preserved.
+//
+// For nil, or values of all other types, including named types whose
+// underlying type is numeric, AnyValue returns a value of kind KindAny.
+func AnyValue(v any) Value {
+	switch v := v.(type) {
+	case string:
+		return StringValue(v)
+	case int:
+		return Int64Value(int64(v))
+	case uint:
+		return Uint64Value(uint64(v))
+	case int64:
+		return Int64Value(v)
+	case uint64:
+		return Uint64Value(v)
+	case bool:
+		return BoolValue(v)
+	case time.Duration:
+		return DurationValue(v)
+	case time.Time:
+		return TimeValue(v)
+	case uint8:
+		return Uint64Value(uint64(v))
+	case uint16:
+		return Uint64Value(uint64(v))
+	case uint32:
+		return Uint64Value(uint64(v))
+	case uintptr:
+		return Uint64Value(uint64(v))
+	case int8:
+		return Int64Value(int64(v))
+	case int16:
+		return Int64Value(int64(v))
+	case int32:
+		return Int64Value(int64(v))
+	case float64:
+		return Float64Value(v)
+	case float32:
+		return Float64Value(float64(v))
+	case []Attr:
+		return GroupValue(v...)
+	case Kind:
+		return Value{any: kind(v)}
+	case Value:
+		return v
+	default:
+		return Value{any: v}
+	}
+}
+
+//////////////// Accessors
+
+// Any returns v's value as an any.
+func (v Value) Any() any {
+	switch v.Kind() {
+	case KindAny:
+		if k, ok := v.any.(kind); ok {
+			return Kind(k)
+		}
+		return v.any
+	case KindLogValuer:
+		return v.any
+	case KindGroup:
+		return v.group()
+	case KindInt64:
+		return int64(v.num)
+	case KindUint64:
+		return v.num
+	case KindFloat64:
+		return v.float()
+	case KindString:
+		return v.str()
+	case KindBool:
+		return v.bool()
+	case KindDuration:
+		return v.duration()
+	case KindTime:
+		return v.time()
+	default:
+		panic(fmt.Sprintf("bad kind: %s", v.Kind()))
+	}
+}
+
+// Int64 returns v's value as an int64. It panics
+// if v is not a signed integer.
+func (v Value) Int64() int64 {
+	if g, w := v.Kind(), KindInt64; g != w {
+		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
+	}
+	return int64(v.num)
+}
+
+// Uint64 returns v's value as a uint64. It panics
+// if v is not an unsigned integer.
+func (v Value) Uint64() uint64 {
+	if g, w := v.Kind(), KindUint64; g != w {
+		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
+	}
+	return v.num
+}
+
+// Bool returns v's value as a bool. It panics
+// if v is not a bool.
+func (v Value) Bool() bool {
+	if g, w := v.Kind(), KindBool; g != w {
+		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
+	}
+	return v.bool()
+}
+
+func (v Value) bool() bool {
+	return v.num == 1
+}
+
+// Duration returns v's value as a time.Duration. It panics
+// if v is not a time.Duration.
+func (v Value) Duration() time.Duration {
+	if g, w := v.Kind(), KindDuration; g != w {
+		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
+	}
+
+	return v.duration()
+}
+
+func (v Value) duration() time.Duration {
+	return time.Duration(int64(v.num))
+}
+
+// Float64 returns v's value as a float64. It panics
+// if v is not a float64.
+func (v Value) Float64() float64 {
+	if g, w := v.Kind(), KindFloat64; g != w {
+		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
+	}
+
+	return v.float()
+}
+
+func (v Value) float() float64 {
+	return math.Float64frombits(v.num)
+}
+
+// Time returns v's value as a time.Time. It panics
+// if v is not a time.Time.
+func (v Value) Time() time.Time {
+	if g, w := v.Kind(), KindTime; g != w {
+		panic(fmt.Sprintf("Value kind is %s, not %s", g, w))
+	}
+	return v.time()
+}
+
+func (v Value) time() time.Time {
+	loc := v.any.(timeLocation)
+	if loc == nil {
+		return time.Time{}
+	}
+	return time.Unix(0, int64(v.num)).In(loc)
+}
+
+// LogValuer returns v's value as a LogValuer. It panics
+// if v is not a LogValuer.
+func (v Value) LogValuer() LogValuer {
+	return v.any.(LogValuer)
+}
+
+// Group returns v's value as a []Attr.
+// It panics if v's Kind is not KindGroup.
+func (v Value) Group() []Attr {
+	if sp, ok := v.any.(groupptr); ok {
+		return unsafe.Slice((*Attr)(sp), v.num)
+	}
+	panic("Group: bad kind")
+}
+
+func (v Value) group() []Attr {
+	return unsafe.Slice((*Attr)(v.any.(groupptr)), v.num)
+}
+
+//////////////// Other
+
+// Equal reports whether v and w represent the same Go value.
+func (v Value) Equal(w Value) bool {
+	k1 := v.Kind()
+	k2 := w.Kind()
+	if k1 != k2 {
+		return false
+	}
+	switch k1 {
+	case KindInt64, KindUint64, KindBool, KindDuration:
+		return v.num == w.num
+	case KindString:
+		return v.str() == w.str()
+	case KindFloat64:
+		return v.float() == w.float()
+	case KindTime:
+		return v.time().Equal(w.time())
+	case KindAny, KindLogValuer:
+		return v.any == w.any // may panic if non-comparable
+	case KindGroup:
+		return slices.EqualFunc(v.group(), w.group(), Attr.Equal)
+	default:
+		panic(fmt.Sprintf("bad kind: %s", k1))
+	}
+}
+
+// append appends a text representation of v to dst.
+// v is formatted as with fmt.Sprint.
+func (v Value) append(dst []byte) []byte {
+	switch v.Kind() {
+	case KindString:
+		return append(dst, v.str()...)
+	case KindInt64:
+		return strconv.AppendInt(dst, int64(v.num), 10)
+	case KindUint64:
+		return strconv.AppendUint(dst, v.num, 10)
+	case KindFloat64:
+		return strconv.AppendFloat(dst, v.float(), 'g', -1, 64)
+	case KindBool:
+		return strconv.AppendBool(dst, v.bool())
+	case KindDuration:
+		return append(dst, v.duration().String()...)
+	case KindTime:
+		return append(dst, v.time().String()...)
+	case KindGroup:
+		return fmt.Append(dst, v.group())
+	case KindAny, KindLogValuer:
+		return fmt.Append(dst, v.any)
+	default:
+		panic(fmt.Sprintf("bad kind: %s", v.Kind()))
+	}
+}
+
+// A LogValuer is any Go value that can convert itself into a Value for logging.
+//
+// This mechanism may be used to defer expensive operations until they are
+// needed, or to expand a single value into a sequence of components.
+type LogValuer interface {
+	LogValue() Value
+}
+
+const maxLogValues = 100
+
+// Resolve repeatedly calls LogValue on v while it implements LogValuer,
+// and returns the result.
+// If v resolves to a group, the group's attributes' values are not recursively
+// resolved.
+// If the number of LogValue calls exceeds a threshold, a Value containing an
+// error is returned.
+// Resolve's return value is guaranteed not to be of Kind KindLogValuer.
+func (v Value) Resolve() (rv Value) {
+	orig := v
+	defer func() {
+		if r := recover(); r != nil {
+			rv = AnyValue(fmt.Errorf("LogValue panicked\n%s", stack(3, 5)))
+		}
+	}()
+
+	for i := 0; i < maxLogValues; i++ {
+		if v.Kind() != KindLogValuer {
+			return v
+		}
+		v = v.LogValuer().LogValue()
+	}
+	err := fmt.Errorf("LogValue called too many times on Value of type %T", orig.Any())
+	return AnyValue(err)
+}
+
+func stack(skip, nFrames int) string {
+	pcs := make([]uintptr, nFrames+1)
+	n := runtime.Callers(skip+1, pcs)
+	if n == 0 {
+		return "(no stack)"
+	}
+	frames := runtime.CallersFrames(pcs[:n])
+	var b strings.Builder
+	i := 0
+	for {
+		frame, more := frames.Next()
+		fmt.Fprintf(&b, "called from %s (%s:%d)\n", frame.Function, frame.File, frame.Line)
+		if !more {
+			break
+		}
+		i++
+		if i >= nFrames {
+			fmt.Fprintf(&b, "(rest of stack elided)\n")
+			break
+		}
+	}
+	return b.String()
+}
diff --git a/vendor/golang.org/x/exp/slog/value_119.go b/vendor/golang.org/x/exp/slog/value_119.go
new file mode 100644
index 000000000..29b0d7329
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/value_119.go
@@ -0,0 +1,53 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build go1.19 && !go1.20
+
+package slog
+
+import (
+	"reflect"
+	"unsafe"
+)
+
+type (
+	stringptr unsafe.Pointer // used in Value.any when the Value is a string
+	groupptr  unsafe.Pointer // used in Value.any when the Value is a []Attr
+)
+
+// StringValue returns a new Value for a string.
+func StringValue(value string) Value {
+	hdr := (*reflect.StringHeader)(unsafe.Pointer(&value))
+	return Value{num: uint64(hdr.Len), any: stringptr(hdr.Data)}
+}
+
+func (v Value) str() string {
+	var s string
+	hdr := (*reflect.StringHeader)(unsafe.Pointer(&s))
+	hdr.Data = uintptr(v.any.(stringptr))
+	hdr.Len = int(v.num)
+	return s
+}
+
+// String returns Value's value as a string, formatted like fmt.Sprint. Unlike
+// the methods Int64, Float64, and so on, which panic if v is of the
+// wrong kind, String never panics.
+func (v Value) String() string {
+	if sp, ok := v.any.(stringptr); ok {
+		// Inlining this code makes a huge difference.
+		var s string
+		hdr := (*reflect.StringHeader)(unsafe.Pointer(&s))
+		hdr.Data = uintptr(sp)
+		hdr.Len = int(v.num)
+		return s
+	}
+	return string(v.append(nil))
+}
+
+// GroupValue returns a new Value for a list of Attrs.
+// The caller must not subsequently mutate the argument slice.
+func GroupValue(as ...Attr) Value {
+	hdr := (*reflect.SliceHeader)(unsafe.Pointer(&as))
+	return Value{num: uint64(hdr.Len), any: groupptr(hdr.Data)}
+}
diff --git a/vendor/golang.org/x/exp/slog/value_120.go b/vendor/golang.org/x/exp/slog/value_120.go
new file mode 100644
index 000000000..f7d4c0932
--- /dev/null
+++ b/vendor/golang.org/x/exp/slog/value_120.go
@@ -0,0 +1,39 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build go1.20
+
+package slog
+
+import "unsafe"
+
+type (
+	stringptr *byte // used in Value.any when the Value is a string
+	groupptr  *Attr // used in Value.any when the Value is a []Attr
+)
+
+// StringValue returns a new Value for a string.
+func StringValue(value string) Value {
+	return Value{num: uint64(len(value)), any: stringptr(unsafe.StringData(value))}
+}
+
+// GroupValue returns a new Value for a list of Attrs.
+// The caller must not subsequently mutate the argument slice.
+func GroupValue(as ...Attr) Value {
+	return Value{num: uint64(len(as)), any: groupptr(unsafe.SliceData(as))}
+}
+
+// String returns Value's value as a string, formatted like fmt.Sprint. Unlike
+// the methods Int64, Float64, and so on, which panic if v is of the
+// wrong kind, String never panics.
+func (v Value) String() string {
+	if sp, ok := v.any.(stringptr); ok {
+		return unsafe.String(sp, v.num)
+	}
+	return string(v.append(nil))
+}
+
+func (v Value) str() string {
+	return unsafe.String(v.any.(stringptr), v.num)
+}