Merge pull request #38 from AnthonyNahas/greenkeeper/webpack-4.9.0

Update webpack to the latest version 🚀

Author: AnthonyNahas

package.json

@@ -109,7 +109,7 @@
     "travis-status": "2.0.0",
     "tslint": "5.7.0",
     "typescript": "2.7.2",
-    "webpack": "4.8.3",
+    "webpack": "4.9.0",
     "webpack-dev-middleware": "3.1.3",
     "webpack-dev-server": "3.1.4",
     "yargs": "11.0.0",