chore(deps): bump firebase-admin from 9.4.0 to 9.4.1 (#210)

Bumps [firebase-admin](https://github.com/firebase/firebase-admin-node) from 9.4.0 to 9.4.1.
- [Release notes](https://github.com/firebase/firebase-admin-node/releases)
- [Commits](firebase/firebase-admin-node@v9.4.0...v9.4.1)

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