[VOL-5254] - repo:ofagent-go release tag & branch

cmd/*.go
internal/*.go
-------------
  o Update copyright notice ending date.
  o Run gofmt -s -e -w to avoid linting problems.
  o Baseline build to screen for pre-existing repo problems.

Change-Id: Ie52512b47dc88233b0bf9caf9926e0770dee967a
diff --git a/.golangci.yml b/.golangci.yml
index d050534..9f94068 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,4 +1,4 @@
-# Copyright 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2020-2024 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.