Bulk update copyright notices to 2024

Change-Id: I6e6d6adbe427332634e9253b9df6d070b4e1387d
diff --git a/jjb/shell/shcheck.sh b/jjb/shell/shcheck.sh
index 6d5986d..7a1fd80 100755
--- a/jjb/shell/shcheck.sh
+++ b/jjb/shell/shcheck.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Copyright 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# 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.