message: typescript 3.9.5 to 4.0.5 major update
diff: "protractor": "7.0.0",
  "ts-node": "9.0.0",
  "tslint": "6.1.3",
  - "typescript": "3.9.5"
  + "typescript": "4.0.5"
  },
  "scripts": {
  "start": "ng serve --port=3000 --o --proxy-config proxy.config.json",
  