[VOL-5256] v2.12 release - baseline build

Makefile
config.mk
Jenkinsfile*
libraries/
makefiles/
tests/
variables/
=========================================
  o Bulk update copyright notice to 2024

Change-Id: I17944b6430ea64eb5235ded0947a32150131ec63
diff --git a/tests/data/software-upgrade.yaml b/tests/data/software-upgrade.yaml
index 080a0aa..a0ff335 100644
--- a/tests/data/software-upgrade.yaml
+++ b/tests/data/software-upgrade.yaml
@@ -1,6 +1,6 @@
 ---
 
-# Copyright 2017-present Open Networking Foundation
+# Copyright 2017-2024 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.