Update dependency eslint to v9

Author: renovate[bot]

web/package.json

@@ -26,7 +26,7 @@
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
-    "eslint": "^8",
+    "eslint": "^9.0.0",
     "eslint-config-next": "14.2.18",
     "eslint-config-prettier": "^8.10.0",
     "eslint-plugin-prettier": "^5.1.3",