regression-tests.action: Bump copyright

diff --git a/regression-tests.action b/regression-tests.action
index 84467c9..9d41991 100644 (file)
--- a/regression-tests.action
+++ b/regression-tests.action
@@ -9,7 +9,7 @@
 #
 #############################################################################
 #
-# Copyright (c) 2007-2021 Fabian Keil <fk@fabiankeil.de>
+# Copyright (c) 2007-2023 Fabian Keil <fk@fabiankeil.de>
 #
 # Permission to use, copy, modify, and distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above