Update year in COPYRIGHT

Author: patch0

COPYRIGHT

@@ -2,7 +2,7 @@ Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Source: https://github.com/RaspberryPiFoundation/editor-ui
 
 Files: *
-Copyright: 2021-2023 Raspberry Pi Foundation <web@raspberrypi.org>
+Copyright: 2021-2025 Raspberry Pi Foundation <web@raspberrypi.org>
 License: Apache-2.0
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.