message: move up to version 1.4.x of addon in testbed
diff: },
  "//optionalDependencies": "imodeljs-e_1_6_11-win32-x64 is optional because it is not available for all platforms where we install, build, and test imodeljs-core",
  "optionalDependencies": {
  - "@bentley/imodeljs-e_1_6_11-win32-x64": "~1.3.0"
  + "@bentley/imodeljs-e_1_6_11-win32-x64": "~1.4.0",
  + "@bentley/imodeljs-nodeaddonapi": "~1.4.0"
  },
  "devDependencies": {
  "@types/body-parser": "^1.16.8",
  