[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
7 files changed