chore(deps): update dependency eslint-config-next to v16

Author: renovate[bot]

frontend/package.json

@@ -19,7 +19,7 @@
     "@types/node": "22.10.10",
     "@types/react": "18.3.12",
     "eslint": "8.57.1",
-    "eslint-config-next": "^13.5.7",
+    "eslint-config-next": "^16.0.0",
     "typescript": "5.7.3"
   }
 }