build(deps): bump protobufjs, firebase-admin, firebase-functions and firebase-functions-test

Bumps [protobufjs](https://github.com/protobufjs/protobuf.js) to 7.6.0 and updates ancestor dependencies [protobufjs](https://github.com/protobufjs/protobuf.js), [firebase-admin](https://github.com/firebase/firebase-admin-node), [firebase-functions](https://github.com/firebase/firebase-functions) and [firebase-functions-test](https://github.com/firebase/firebase-functions-test). These dependencies need to be updated together.


Updates `protobufjs` from 7.2.4 to 7.6.0
- [Release notes](https://github.com/protobufjs/protobuf.js/releases)
- [Changelog](https://github.com/protobufjs/protobuf.js/blob/protobufjs-v7.6.0/CHANGELOG.md)
- [Commits](protobufjs/protobuf.js@protobufjs-v7.2.4...protobufjs-v7.6.0)

Updates `firebase-admin` from 11.10.1 to 13.10.0
- [Release notes](https://github.com/firebase/firebase-admin-node/releases)
- [Changelog](https://github.com/firebase/firebase-admin-node/blob/main/CHANGELOG.md)
- [Commits](firebase/firebase-admin-node@v11.10.1...v13.10.0)

Updates `firebase-functions` from 4.4.1 to 4.9.0
- [Release notes](https://github.com/firebase/firebase-functions/releases)
- [Commits](firebase/firebase-functions@v4.4.1...v4.9.0)

Updates `firebase-functions-test` from 3.1.0 to 3.5.0
- [Release notes](https://github.com/firebase/firebase-functions-test/releases)
- [Commits](firebase/firebase-functions-test@v3.1.0...v3.5.0)

---
updated-dependencies:
- dependency-name: protobufjs
  dependency-version: 7.6.0
  dependency-type: indirect
- dependency-name: firebase-admin
  dependency-version: 13.10.0
  dependency-type: direct:production
- dependency-name: firebase-functions
  dependency-version: 4.9.0
  dependency-type: direct:production
- dependency-name: firebase-functions-test
  dependency-version: 3.5.0
  dependency-type: direct:development
...

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Author: dependabot[bot]