chore: upgrade go mod library

vendor/github.com/envoyproxy/go-control-plane/pkg/server/delta/v3/server.go

@@ -107,7 +107,7 @@ func (s *server) processDelta(str stream.DeltaStream, reqCh <-chan *discovery.De
 	process := func(resp cache.DeltaResponse) error {
 		typ := resp.GetDeltaRequest().GetTypeUrl()
 		if resp == deltaErrorResponse {
-			return status.Errorf(codes.Unavailable, typ+" watch failed")
+			return status.Errorf(codes.Unavailable, "%s watch failed", typ)
 		}
 
 		nonce, err := send(resp)
@@ -230,23 +230,21 @@ func (s *server) DeltaStreamHandler(str stream.DeltaStream, typeURL string) erro
 
 	// we need to concurrently handle incoming requests since we kick off processDelta as a return
 	go func() {
+		defer close(reqCh)
 		for {
-			select {
-			case <-str.Context().Done():
-				close(reqCh)
+			req, err := str.Recv()
+			if err != nil {
+				return
+			}
+			select {
+			case reqCh <- req:
+			case <-str.Context().Done():
+				return
+			case <-s.ctx.Done():
 				return
-			default:
-				req, err := str.Recv()
-				if err != nil {
-					close(reqCh)
-					return
-				}
-
-				reqCh <- req
 			}
 		}
 	}()
-
 	return s.processDelta(str, reqCh, typeURL)
 }