fix(deps): update dependency next to v15 [security]

Author: renovate[bot]

frontend/package.json

@@ -46,7 +46,7 @@
     "jszip": "^3.10.1",
     "lucide-react": "^0.439.0",
     "multiformats": "^13.2.3",
-    "next": "^14.2.17",
+    "next": "^15.0.0",
     "next-auth": "^4.24.8",
     "nextjs-toploader": "^3.8.16",
     "pino-pretty": "^13.0.0",