Fixed branch in update-changelog.

Author: Saborowski, Kai

.github/workflows/update-changelog.yml

@@ -23,6 +23,6 @@ jobs:
       - name: Commit updated Changelog
         uses: stefanzweifel/git-auto-commit-action@v4
         with:
-          branch: main
+          branch: master
           commit_message: 'docs(changelog): update changelog'
           file_pattern: CHANGELOG.md