build(deps): bump @google-cloud/pubsub from 3.7.5 to 4.4.1

Bumps [@google-cloud/pubsub](https://github.com/googleapis/nodejs-pubsub) from 3.7.5 to 4.4.1.
- [Release notes](https://github.com/googleapis/nodejs-pubsub/releases)
- [Changelog](https://github.com/googleapis/nodejs-pubsub/blob/main/CHANGELOG.md)
- [Commits](googleapis/nodejs-pubsub@v3.7.5...v4.4.1)

---
updated-dependencies:
- dependency-name: "@google-cloud/pubsub"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/pubsub-legacy-factories/package.json

@@ -30,7 +30,7 @@
     "@join-com/pubsub": "^2.0.2"
   },
   "devDependencies": {
-    "@google-cloud/pubsub": "^3.5.1",
+    "@google-cloud/pubsub": "^4.4.1",
     "@join-private/eslint-config-backend": "^1.1.2",
     "@types/jest": "^28.1.2",
     "@types/node": "^18.0.0",

packages/pubsub/package.json

@@ -28,7 +28,7 @@
     "prepublishOnly": "yarn lint && yarn build"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^3.5.1",
+    "@google-cloud/pubsub": "^4.4.1",
     "avsc": "^5.7.7"
   },
   "devDependencies": {