chore(deps): update dependency eslint to v9

Author: renovate[bot]

frontend/package.json

@@ -18,7 +18,7 @@
   "devDependencies": {
     "@types/node": "22.10.10",
     "@types/react": "18.3.12",
-    "eslint": "8.57.1",
+    "eslint": "9.33.0",
     "eslint-config-next": "^13.5.7",
     "typescript": "5.7.3"
   }