[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/google.golang.org/protobuf/proto/decode.go b/vendor/google.golang.org/protobuf/proto/decode.go
index 49f9b8c..13edcc7 100644
--- a/vendor/google.golang.org/protobuf/proto/decode.go
+++ b/vendor/google.golang.org/protobuf/proto/decode.go
@@ -19,7 +19,8 @@
 // UnmarshalOptions configures the unmarshaler.
 //
 // Example usage:
-//   err := UnmarshalOptions{DiscardUnknown: true}.Unmarshal(b, m)
+//
+//	err := UnmarshalOptions{DiscardUnknown: true}.Unmarshal(b, m)
 type UnmarshalOptions struct {
 	pragma.NoUnkeyedLiterals