chore(deps): update stefanzweifel/git-auto-commit-action action to v6

Author: renovate[bot]

.github/workflows/format.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Format code
         run: pnpm run format:ci
       - name: Commit changes
-        uses: stefanzweifel/git-auto-commit-action@b863ae1933cb653a53c021fe36dbb774e1fb9403 # v5
+        uses: stefanzweifel/git-auto-commit-action@778341af668090896ca464160c2def5d1d1a3eb0 # v6
         with:
           commit_message: '[ci] format'
           branch: ${{ github.head_ref }}