message: Upgrade the typescript version in yo fluid template
diff: "@types/node": "^10.14.6",
  "@types/react-dom": "^16.0.11",
  "ts-loader": "^4.5.0",
  - "typescript": "~3.4.5",
  + "typescript": "~3.7.4",
  "webpack": "4.16.5",
  "webpack-cli": "3.1.0",
  "webpack-dev-server": "^3.8.0",
  