build(deps): bump firebase from 8.8.1 to 8.9.0

Bumps [firebase](https://github.com/firebase/firebase-js-sdk) from 8.8.1 to 8.9.0.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/master/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/compare/firebase@8.8.1...firebase@8.9.0)

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

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

package.json

@@ -25,7 +25,7 @@
 		"@angular/platform-browser": "~12.1.4",
 		"@angular/platform-browser-dynamic": "~12.1.4",
 		"@angular/router": "~12.1.4",
-		"firebase": "^8.8.1",
+		"firebase": "^8.9.0",
 		"nipplejs": "^0.9.0",
 		"rxjs": "~6.6.7",
 		"subsink": "^1.0.2",