[VOL-5053] - Release build for votlha-lib-go

Makefile
--------
  o Fixed target name, should be test-go-cover not test-go.

go.mod
go.sum
------
  o update modules voltha-protos and protobuf

vendor/github.com/golang/protobuf/jsonpb/decode.go
vendor/github.com/opencord/voltha-protos/v5/LICENSE
vendor/modules.txt
---------------------------------------------------
  o Edits triggered by targets mod-update and testOn branch dev-joey

makefiles/*
-----------
  o Refresh library makefiles, pull in latest virtualenv.mk and lint/yaml/*

Change-Id: Id79363c85751f19ec405e5e85c5063e2e8af3911
diff --git a/vendor/github.com/golang/protobuf/jsonpb/decode.go b/vendor/github.com/golang/protobuf/jsonpb/decode.go
index 60e82ca..6c16c25 100644
--- a/vendor/github.com/golang/protobuf/jsonpb/decode.go
+++ b/vendor/github.com/golang/protobuf/jsonpb/decode.go
@@ -386,8 +386,14 @@
 }
 
 func isSingularWellKnownValue(fd protoreflect.FieldDescriptor) bool {
+	if fd.Cardinality() == protoreflect.Repeated {
+		return false
+	}
 	if md := fd.Message(); md != nil {
-		return md.FullName() == "google.protobuf.Value" && fd.Cardinality() != protoreflect.Repeated
+		return md.FullName() == "google.protobuf.Value"
+	}
+	if ed := fd.Enum(); ed != nil {
+		return ed.FullName() == "google.protobuf.NullValue"
 	}
 	return false
 }