test: trigger workflow on dev branch

Author: ParagEkbote

.github/workflows/update_copyright_year.yml

@@ -4,6 +4,9 @@ on:
   schedule:
     - cron: "0 0 1 1 *"
   workflow_dispatch:
+  push:
+    branches:
+      - test-copyright
 
 permissions:
   contents: write