chore(deps): bump stefanzweifel/git-auto-commit-action from 5 to 6 (#12)

Author: dependabot[bot]

.github/workflows/update-changelog.yml

@@ -25,7 +25,7 @@ jobs:
           release-notes: ${{ github.event.release.body }}
 
       - name: Commit updated CHANGELOG
-        uses: stefanzweifel/git-auto-commit-action@v5
+        uses: stefanzweifel/git-auto-commit-action@v6
         with:
           branch: master
           commit_message: Update CHANGELOG