chore(deps): bump protobufjs and google-gax

Bumps [protobufjs](https://github.com/protobufjs/protobuf.js) to 7.2.4 and updates ancestor dependency [google-gax](https://github.com/googleapis/gax-nodejs). These dependencies need to be updated together.


Updates `protobufjs` from 7.2.3 to 7.2.4
- [Release notes](https://github.com/protobufjs/protobuf.js/releases)
- [Changelog](https://github.com/protobufjs/protobuf.js/blob/master/CHANGELOG.md)
- [Commits](protobufjs/protobuf.js@protobufjs-v7.2.3...protobufjs-v7.2.4)

Updates `google-gax` from 3.6.0 to 3.6.1
- [Release notes](https://github.com/googleapis/gax-nodejs/releases)
- [Changelog](https://github.com/googleapis/gax-nodejs/blob/main/CHANGELOG.md)
- [Commits](googleapis/gax-nodejs@v3.6.0...v3.6.1)

---
updated-dependencies:
- dependency-name: protobufjs
  dependency-type: indirect
- dependency-name: google-gax
  dependency-type: direct:development
...

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

firestore-palm-chatbot/functions/package.json

@@ -25,7 +25,7 @@
     "eslint-config-google": "^0.14.0",
     "eslint-plugin-import": "^2.26.0",
     "firebase-functions-test": "^3.0.0",
-    "google-gax": "^3.6.0",
+    "google-gax": "^3.6.1",
     "jest": "^29.5.0",
     "ts-jest": "^29.1.0",
     "ts-node": "^10.4.0"