chore: bump GoogleCloudPlatform/release-please-action from 2 to 3.1 (#135)

Bumps [GoogleCloudPlatform/release-please-action](https://github.com/GoogleCloudPlatform/release-please-action) from 2 to 3.1.
- [Release notes](https://github.com/GoogleCloudPlatform/release-please-action/releases)
- [Changelog](https://github.com/google-github-actions/release-please-action/blob/main/CHANGELOG.md)
- [Commits](googleapis/release-please-action@v2...v3.1)

---
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]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: GoogleCloudPlatform/release-please-action@v2
+      - uses: GoogleCloudPlatform/release-please-action@v3.1
         id: release
         with:
           release-type: go