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

Author: renovate[bot]

.github/workflows/build.yaml

@@ -43,7 +43,7 @@ jobs:
           fi
 
       - name: Commit chart version
-        uses: stefanzweifel/git-auto-commit-action@v6
+        uses: stefanzweifel/git-auto-commit-action@4a55954c782fc1ea30b9056cd3e7a2b40ca8887d # v7.2.0
         if: steps.commit_exists.outputs.result == 'false'
         with:
           commit_message: ${{ env.COMMIT_MESSAGE }}