Bulk copyright fix to trigger a build

Change-Id: Icd7c55743d353fbe2ea52d2d12fda52661f447d6
diff --git a/libraries/power_switch.robot b/libraries/power_switch.robot
index b7e2b8a..5987f34 100644
--- a/libraries/power_switch.robot
+++ b/libraries/power_switch.robot
@@ -1,4 +1,4 @@
-# Copyright 2017-present Open Networking Foundation
+# Copyright 2017-2023 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.