message: fix react-router version
diff: "@material-ui/lab": "4.0.0-alpha.45",
  "react": "^16.13.1",
  "react-dom": "^16.13.1",
  - "react-router-dom": "^5.2.0",
  + "react-router": "^6.0.0-alpha.5",
  + "react-router-dom": "^6.0.0-alpha.5",
  "react-use": "^14.2.0"
  },
  "devDependencies": {
  