chore(deps-dev): bump firebase-tools from 8.5.0 to 8.6.0 (#74)

Bumps [firebase-tools](https://github.com/firebase/firebase-tools) from 8.5.0 to 8.6.0.
- [Release notes](https://github.com/firebase/firebase-tools/releases)
- [Commits](firebase/firebase-tools@v8.5.0...v8.6.0)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>