build(deps): bump @firebase/database-compat from 2.0.6 to 2.1.0 (#3002)

Bumps [@firebase/database-compat](https://github.com/firebase/firebase-js-sdk/tree/HEAD/packages/database-compat) from 2.0.6 to 2.1.0.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/main/packages/database-compat/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/commits/@firebase/database-compat@2.1.0/packages/database-compat)

---
updated-dependencies:
- dependency-name: "@firebase/database-compat"
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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