chore(deps): update stefanzweifel/git-auto-commit-action action to v7

Author: renovate[bot]

.github/workflows/renovate.yaml

@@ -42,7 +42,7 @@ jobs:
           fi
 
       - name: Commit chart version
-        uses: stefanzweifel/git-auto-commit-action@v6
+        uses: stefanzweifel/git-auto-commit-action@28e16e81777b558cc906c8750092100bbb34c5e3 # v7.0.0
         if: steps.commit_exists.outputs.result == 'false'
         with:
           commit_message: ${{ env.COMMIT_MESSAGE }}