Bump googleapis/code-suggester from 2 to 4 (#560)

Bumps [googleapis/code-suggester](https://github.com/googleapis/code-suggester) from 2 to 4.
- [Release notes](https://github.com/googleapis/code-suggester/releases)
- [Changelog](https://github.com/googleapis/code-suggester/blob/main/CHANGELOG.md)
- [Commits](googleapis/code-suggester@v2...v4)

---
updated-dependencies:
- dependency-name: googleapis/code-suggester
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

.github/workflows/Formatting.yml

@@ -46,7 +46,7 @@ jobs:
           [ $? -eq 2 ] && exit 1 || exit 0
 
       - name: Suggest changes
-        uses: googleapis/code-suggester@v2
+        uses: googleapis/code-suggester@v4
         env:
           ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with: