[chore]: Bump golang.org/x/net from 0.14.0 to 0.15.0 (#2193)

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.14.0 to 0.15.0.
- [Commits](https://github.com/golang/net/compare/v0.14.0...v0.15.0)

---
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, 8 deletions

diff --git a/vendor/golang.org/x/net/http2/server.go b/vendor/golang.org/x/net/http2/server.go
index 033b6e6db..6d5e00887 100644
--- a/vendor/golang.org/x/net/http2/server.go
+++ b/vendor/golang.org/x/net/http2/server.go
@@ -1012,14 +1012,6 @@ func (sc *serverConn) serve() {
 	}
 }
 
-func (sc *serverConn) awaitGracefulShutdown(sharedCh <-chan struct{}, privateCh chan struct{}) {
-	select {
-	case <-sc.doneServing:
-	case <-sharedCh:
-		close(privateCh)
-	}
-}
-
 type serverMessage int
 
 // Message values sent to serveMsgCh.