chore(deps): update dependency eslint to v9

Author: renovate[bot]

webui/package.json

@@ -47,7 +47,7 @@
     "@types/node": "^20.14.12",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
-    "eslint": "^8.57.0",
+    "eslint": "^9.8.0",
     "eslint-config-next": "14.2.5",
     "postcss": "^8.4.39",
     "postcss-preset-mantine": "^1.17.0",