Bump minimatch in /firebase/cloud_functions/functions (#153)

Bumps [minimatch](https://github.com/isaacs/minimatch) from 3.0.4 to 3.1.2.
- [Changelog](https://github.com/isaacs/minimatch/blob/main/changelog.md)
- [Commits](isaacs/minimatch@v3.0.4...v3.1.2)

---
updated-dependencies:
- dependency-name: minimatch
  dependency-type: indirect
...

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