add dt stamp to commit message

.github/workflows/fetch-licenses.yaml

@@ -36,6 +36,6 @@ jobs:
                   git config --local user.email "[email protected]"
                   git config --local user.name "GitHub Action"
                   git add cmd/licenses.json cmd/exceptions.json
-                  git commit -m "Add updated license files" -a
+                  git commit -m "Add updated license files - $(date)" -a
                   git push