chore(deps-dev): bump @google-cloud/pubsub from 5.3.0 to 5.3.1 (#480)

Bumps [@google-cloud/pubsub](https://github.com/googleapis/google-cloud-node/tree/HEAD/handwritten/pubsub) from 5.3.0 to 5.3.1.
- [Release notes](https://github.com/googleapis/google-cloud-node/releases)
- [Changelog](https://github.com/googleapis/google-cloud-node/blob/main/handwritten/pubsub/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-cloud-node/commits/dns-v5.3.1/handwritten/pubsub)

---
updated-dependencies:
- dependency-name: "@google-cloud/pubsub"
  dependency-version: 5.3.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

packages/gcp-pubsub/package.json

@@ -31,13 +31,13 @@
         "@lokalise/node-core": "^14.6.1"
     },
     "peerDependencies": {
-        "@google-cloud/pubsub": "^5.2.0",
+        "@google-cloud/pubsub": "^5.3.1",
         "@message-queue-toolkit/core": ">=26.0.0",
         "zod": ">=3.25.76 <5.0.0"
     },
     "devDependencies": {
         "@biomejs/biome": "^2.4.16",
-        "@google-cloud/pubsub": "^5.2.0",
+        "@google-cloud/pubsub": "^5.3.1",
         "@lokalise/biome-config": "^3.1.0",
         "@lokalise/tsconfig": "^3.0.0",
         "@message-queue-toolkit/core": "workspace:*",