chore(package): update webpack-cli to version 3.0.8 (#277)

Closes #266

package.json

@@ -94,7 +94,7 @@
     "uglifyjs-webpack-plugin": "^1.2.4",
     "underscore-template-loader": "^1.0.0",
     "webpack": "^4.2.0",
-    "webpack-cli": "^2.0.13",
+    "webpack-cli": "^3.0.8",
     "webpack-dev-server": "3.1.1",
     "webpack-merge": "^4.1.2",
     "webpack-visualizer-plugin": "^0.1.11"