build(deps): bump GoogleCloudPlatform/release-please-action from 3 to 4

Bumps [GoogleCloudPlatform/release-please-action](https://github.com/googlecloudplatform/release-please-action) from 3 to 4.
- [Release notes](https://github.com/googlecloudplatform/release-please-action/releases)
- [Changelog](https://github.com/googleapis/release-please-action/blob/main/CHANGELOG.md)
- [Commits](googleapis/release-please-action@v3...v4)

---
updated-dependencies:
- dependency-name: GoogleCloudPlatform/release-please-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/release-please.yml

@@ -7,7 +7,7 @@
    release-please:
      runs-on: ubuntu-latest
      steps:
-       - uses: GoogleCloudPlatform/release-please-action@v3
+       - uses: GoogleCloudPlatform/release-please-action@v4
          with:
            token: ${{ secrets.GITHUB_TOKEN }}
            release-type: simple