VOL-4925 - Build and release components.

Misc
----
  o Bulk update copyright notice to 2023.

Makefile
makefiles/*
-----------
  o Replace rm -rf with make builtin $(RM) -r
  o Move help target into makefiles/help.

go.mod
go.sum
------
  o Update opencord dependencies to the latest released versions.

Change-Id: I56eba94ddf878b318277b9e46a98053fae36ffcf
diff --git a/makefiles/lint/license/license-check.sh b/makefiles/lint/license/license-check.sh
index 10d3376..bbf560e 100755
--- a/makefiles/lint/license/license-check.sh
+++ b/makefiles/lint/license/license-check.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # -----------------------------------------------------------------------
-# Copyright 2022 Open Networking Foundation
+# Copyright 2022-2023 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.