fix(deps): update dependency firebase-admin to v14

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "clsx": "^2.1.1",
     "cookie": "^1.0.2",
     "firebase": "^12.0.0",
-    "firebase-admin": "^13.4.0",
+    "firebase-admin": "^14.0.0",
     "jwt-decode": "^4.0.0",
     "lucide-react": "^0.577.0",
     "next": "15.5.19",