message: chore(package): update copy-webpack-plugin to version 4.2.3
  Closes
diff: "bs58": "4.0.1",
  "cache-loader": "1.2.0",
  "check-node-version": "2.1.0",
  - "copy-webpack-plugin": "4.2.1",
  + "copy-webpack-plugin": "4.2.3",
  "css-loader": "0.28.7",
  "empty": "0.10.1",
  "enzyme": "3.2.0",
  