Merge pull request #23 from terrestris/greenkeeper/webpack-4.29.6

chore(package): update webpack to version 4.29.6

Author: dnlkoch

package.json

@@ -52,7 +52,7 @@
     "tslint": "5.12.1",
     "typescript": "3.2.4",
     "uglifyjs-webpack-plugin": "2.1.2",
-    "webpack": "4.29.3",
+    "webpack": "4.29.6",
     "webpack-cli": "3.2.3"
   },
   "jest": {