chore(deps-dev): bump firebase-admin from 9.11.0 to 11.0.0

Bumps [firebase-admin](https://github.com/firebase/firebase-admin-node) from 9.11.0 to 11.0.0.
- [Release notes](https://github.com/firebase/firebase-admin-node/releases)
- [Commits](firebase/firebase-admin-node@v9.11.0...v11.0.0)

---
updated-dependencies:
- dependency-name: firebase-admin
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -49,7 +49,7 @@
     "express": "^4.16.4",
     "fetch-h2": "^3.0.0",
     "firebase": "^6.1.1",
-    "firebase-admin": "^9.11.0",
+    "firebase-admin": "^11.0.0",
     "fluent-ffmpeg": "^2.1.2",
     "fontkit": "^1.7.7",
     "get-folder-size": "^2.0.0",