[VOL-5222] - Upgrade golang version for VOLTHA jobs

.gitreview
VERSION
----------
  o post-release tasks.  Repository tagged and banched.
  o Add missing newlines at EOF.
  o go.mod syntax does not allow *-dev suffix so update
    master VERSION from v5.5.0-dev to v5.5.0.  Community
    can introduce a dev version when needed.

go/*.pb.og
vendor/*.go
-----------
  o invoke make mod-update to regenerate go.sum and friends.
  o lint clenaups: find . -name '*.go' -print | xargs -n1 gofmt -s -e -w

Change-Id: I3da80c0ce5600679b388e309bfa4702f1ec3212b
diff --git a/vendor/golang.org/x/net/http2/server.go b/vendor/golang.org/x/net/http2/server.go
index e125bbd..193d7c6 100644
--- a/vendor/golang.org/x/net/http2/server.go
+++ b/vendor/golang.org/x/net/http2/server.go
@@ -2530,8 +2530,9 @@
 // prior to the headers being written. If the set of trailers is fixed
 // or known before the header is written, the normal Go trailers mechanism
 // is preferred:
-//    https://golang.org/pkg/net/http/#ResponseWriter
-//    https://golang.org/pkg/net/http/#example_ResponseWriter_trailers
+//
+//	https://golang.org/pkg/net/http/#ResponseWriter
+//	https://golang.org/pkg/net/http/#example_ResponseWriter_trailers
 const TrailerPrefix = "Trailer:"
 
 // promoteUndeclaredTrailers permits http.Handlers to set trailers