fix: bump release-please from 15.13.0 to 16.3.1

Bumps [release-please](https://github.com/googleapis/release-please) from 15.13.0 to 16.3.1.
- [Release notes](https://github.com/googleapis/release-please/releases)
- [Changelog](https://github.com/googleapis/release-please/blob/main/CHANGELOG.md)
- [Commits](googleapis/release-please@v15.13.0...v16.3.1)

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

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

package.json

@@ -29,7 +29,7 @@
   "homepage": "https://github.com/bcoe/release-please-action#readme",
   "dependencies": {
     "@actions/core": "^1.10.0",
-    "release-please": "^16.3.0"
+    "release-please": "^16.3.1"
   },
   "devDependencies": {
     "@types/mocha": "^9.0.0",