chore(deps):(deps): bump firebase in the firebase group (#331)

Bumps the firebase group with 1 update: [firebase](https://github.com/firebase/firebase-js-sdk).


Updates `firebase` from 12.12.0 to 12.15.0
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/compare/firebase@12.12.0...firebase@12.15.0)

---
updated-dependencies:
- dependency-name: firebase
  dependency-version: 12.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: firebase
...

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Author: dependabot[bot]