build(deps): bump firebase from 12.11.0 to 12.12.0

Bumps [firebase](https://github.com/firebase/firebase-js-sdk) from 12.11.0 to 12.12.0.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/compare/firebase@12.11.0...firebase@12.12.0)

---
updated-dependencies:
- dependency-name: firebase
  dependency-version: 12.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

bun.lock

@@ -61,7 +61,7 @@
   "dependencies": {
     "@emailjs/browser": "^4.4.1",
     "@reduxjs/toolkit": "^2.11.2",
-    "firebase": "^12.11.0",
+    "firebase": "^12.12.0",
     "hamburger-react": "^2.5.2",
     "react": "^19.2.5",
     "react-dom": "^19.2.5",