message: chore(account-lib): update webpack, terser-webpack-plugin
  Should fix compile error
  Issue:
diff: "prettier": "^1.19.1",
  "should": "^13.1.3",
  "sinon": "^7.5.0",
  - "terser-webpack-plugin": "^1.2.3",
  - "webpack": "^4.29.6",
  + "terser-webpack-plugin": "^4.2.3",
  + "webpack": "^4.46.0",
  "webpack-cli": "^3.2.3"
  },
  "nyc": {
  