Bump es5-ext and firebase-tools

Removes [es5-ext](https://github.com/medikoo/es5-ext). It's no longer used after updating ancestor dependency [firebase-tools](https://github.com/firebase/firebase-tools). These dependencies need to be updated together.


Removes `es5-ext`

Updates `firebase-tools` from 11.4.2 to 11.30.0
- [Release notes](https://github.com/firebase/firebase-tools/releases)
- [Commits](firebase/firebase-tools@v11.4.2...v11.30.0)

---
updated-dependencies:
- dependency-name: es5-ext
  dependency-type: indirect
- dependency-name: firebase-tools
  dependency-type: direct:development
...

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