Bump jsonwebtoken and firebase-tools

Removes [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken). 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 `jsonwebtoken`

Updates `firebase-tools` from 11.9.0 to 11.21.0
- [Release notes](https://github.com/firebase/firebase-tools/releases)
- [Commits](firebase/firebase-tools@v11.9.0...v11.21.0)

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

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