[chore]: Bump golang.org/x/net from 0.17.0 to 0.18.0 (#2390)

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.17.0 to 0.18.0.
- [Commits](https://github.com/golang/net/compare/v0.17.0...v0.18.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

1 files changed, 0 insertions, 27 deletions

diff --git a/vendor/golang.org/x/net/http2/go115.go b/vendor/golang.org/x/net/http2/go115.go
deleted file mode 100644
index 908af1ab9..000000000
--- a/vendor/golang.org/x/net/http2/go115.go
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2021 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 go1.15
-// +build go1.15
-
-package http2
-
-import (
-	"context"
-	"crypto/tls"
-)
-
-// dialTLSWithContext uses tls.Dialer, added in Go 1.15, to open a TLS
-// connection.
-func (t *Transport) dialTLSWithContext(ctx context.Context, network, addr string, cfg *tls.Config) (*tls.Conn, error) {
-	dialer := &tls.Dialer{
-		Config: cfg,
-	}
-	cn, err := dialer.DialContext(ctx, network, addr)
-	if err != nil {
-		return nil, err
-	}
-	tlsCn := cn.(*tls.Conn) // DialContext comment promises this will always succeed
-	return tlsCn, nil
-}