Update stefanzweifel/git-auto-commit-action action to v7

Author: renovate[bot]

.github/workflows/format.yml

@@ -21,7 +21,7 @@ jobs:
         run: |
           black jupyddl tests
       - name: Commit changes
-        uses: stefanzweifel/git-auto-commit-action@v5
+        uses: stefanzweifel/git-auto-commit-action@v7
         with:
           commit_message: Apply formatting changes
           branch: main