⬆️ Bump firebase-tools from 12.6.0 to 12.6.1 in /frontend

Bumps [firebase-tools](https://github.com/firebase/firebase-tools) from 12.6.0 to 12.6.1.
- [Release notes](https://github.com/firebase/firebase-tools/releases)
- [Commits](firebase/firebase-tools@v12.6.0...v12.6.1)

---
updated-dependencies:
- dependency-name: firebase-tools
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

frontend/package.json

@@ -40,7 +40,7 @@
     "elm-optimize-level-2": "^0.3.5",
     "elm-review": "^2.10.3",
     "elm-test": "^0.19.1-revision12",
-    "firebase-tools": "^12.6.0",
+    "firebase-tools": "^12.6.1",
     "knip": "^2.29.0",
     "prettier": "^3.0.3",
     "rimraf": "^5.0.5",