chore(deps): update dependency eslint to v9

Author: renovate[bot]

webui/package.json

@@ -44,7 +44,7 @@
     "@types/node": "^20.12.12",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
-    "eslint": "^8.57.0",
+    "eslint": "^9.6.0",
     "eslint-config-next": "14.2.3",
     "postcss": "^8.4.38",
     "postcss-preset-mantine": "^1.15.0",