Merge pull request #92 from terrestris/greenkeeper/webpack-cli-3.2.0

Update webpack-cli to the latest version 🚀

Author: KaiVolland

package.json

@@ -65,7 +65,7 @@
     "typescript": "3.1.2",
     "uglifyjs-webpack-plugin": "2.1.1",
     "webpack": "4.28.3",
-    "webpack-cli": "3.1.2"
+    "webpack-cli": "3.2.0"
   },
   "jest": {
     "testURL": "http://localhost/",