[VOL-5245] branch and release repo:voltha-lib-go

Makefile
makefiles/*
pkg/*
--------------------------
  o Update copyright notice ending date to span the current year.
  o Copyright update will force running a jenkins job to sanity check the repo.

VERSION
-------
  o Remove *-dev suffix in prepration for creation a release branch.

Change-Id: I1ca9e7d54b1669f2a4556a0d10dac34e29079d63
diff --git a/pkg/stats/promserver.go b/pkg/stats/promserver.go
index dec2721..014d2f7 100644
--- a/pkg/stats/promserver.go
+++ b/pkg/stats/promserver.go
@@ -1,5 +1,5 @@
 /*
-* Copyright 2018-2023 Open Networking Foundation (ONF) and the ONF Contributors
+* Copyright 2018-2024 Open Networking Foundation (ONF) and the ONF Contributors
 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.