chore: bump GoogleCloudPlatform/release-please-action in the ci group

Bumps the ci group with 1 update: [GoogleCloudPlatform/release-please-action](https://github.com/googlecloudplatform/release-please-action).


Updates `GoogleCloudPlatform/release-please-action` from 4 to 5
- [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@v4...v5)

---
updated-dependencies:
- dependency-name: GoogleCloudPlatform/release-please-action
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/release-please.yml

@@ -7,6 +7,6 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: GoogleCloudPlatform/release-please-action@v4
+      - uses: GoogleCloudPlatform/release-please-action@v5
         with:
           token: ${{ secrets.RELEASE_PLEASE_TOKEN }}