Update stefanzweifel/git-auto-commit-action action to v7 (#260)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -126,6 +126,6 @@ jobs:
       - name: Build assets
         run: cd frontend && npm run build
 
-      - uses: stefanzweifel/git-auto-commit-action@v6
+      - uses: stefanzweifel/git-auto-commit-action@v7
         with:
           commit_message: 'Auto build assets [skip ci]'