rebase: bump google.golang.org/grpc from 1.60.1 to 1.61.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.60.1 to 1.61.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.60.1...v1.61.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

vendor/google.golang.org/grpc/internal/transport/http2_client.go

@@ -59,6 +59,8 @@ import (
 // atomically.
 var clientConnectionCounter uint64
 
+var metadataFromOutgoingContextRaw = internal.FromOutgoingContextRaw.(func(context.Context) (metadata.MD, [][]string, bool))
+
 // http2Client implements the ClientTransport interface with HTTP2.
 type http2Client struct {
 	lastRead  int64 // Keep this field 64-bit aligned. Accessed atomically.
@@ -568,7 +570,7 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
 		headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-trace-bin", Value: encodeBinHeader(b)})
 	}
 
-	if md, added, ok := metadata.FromOutgoingContextRaw(ctx); ok {
+	if md, added, ok := metadataFromOutgoingContextRaw(ctx); ok {
 		var k string
 		for k, vv := range md {
 			// HTTP doesn't allow you to set pseudoheaders after non pseudoheaders were set.
@@ -1323,10 +1325,8 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
 	for streamID, stream := range t.activeStreams {
 		if streamID > id && streamID <= upperLimit {
 			// The stream was unprocessed by the server.
-			if streamID > id && streamID <= upperLimit {
-				atomic.StoreUint32(&stream.unprocessed, 1)
-				streamsToClose = append(streamsToClose, stream)
-			}
+			atomic.StoreUint32(&stream.unprocessed, 1)
+			streamsToClose = append(streamsToClose, stream)
 		}
 	}
 	t.mu.Unlock()

vendor/google.golang.org/grpc/internal/transport/http2_server.go

@@ -960,7 +960,12 @@ func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
 		}
 	}
 	if err := t.writeHeaderLocked(s); err != nil {
-		return status.Convert(err).Err()
+		switch e := err.(type) {
+		case ConnectionError:
+			return status.Error(codes.Unavailable, e.Desc)
+		default:
+			return status.Convert(err).Err()
+		}
 	}
 	return nil
 }