fix(deps): update dependency next to v14 [security]

Author: renovate[bot]

frontend/package.json

@@ -17,7 +17,7 @@
     "@types/react-dom": "18.0.11",
     "date-fns": "^2.30.0",
     "lodash": "^4.17.21",
-    "next": "^13.4.4",
+    "next": "^14.0.0",
     "next-auth": "^4.22.1",
     "next-themes": "^0.3.0",
     "react": "18.2.0",