Bulk update copyright notices to 2024

Change-Id: I6e6d6adbe427332634e9253b9df6d070b4e1387d
diff --git a/makefiles/bin/compare_sandbox_makefiles.sh b/makefiles/bin/compare_sandbox_makefiles.sh
index 28e47b0..f415beb 100755
--- a/makefiles/bin/compare_sandbox_makefiles.sh
+++ b/makefiles/bin/compare_sandbox_makefiles.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # -----------------------------------------------------------------------
-# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2022-2024 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.
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-FileCopyrightText: 2024 Open Networking Foundation (ONF) and the ONF Contributors
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 # https://gerrit.opencord.org/plugins/gitiles/onf-make