⬆️ upgrade eslint to v9

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "clean-webpack-plugin": "^4.0.0",
     "copy-webpack-plugin": "^12.0.0",
     "css-loader": "^7.0.0",
-    "eslint": "^8.54.0",
+    "eslint": "^9.0.0",
     "eslint-config-antoine": "^1.0.13",
     "eslint-config-react-app": "^7.0.1",
     "eslint-plugin-flowtype": "^8.0.3",