chore(package): update webpack to version 3.11.0

Author: greenkeeper[bot]

package.json

@@ -87,7 +87,7 @@
     "tslib": "1.9.0",
     "tslint": "5.9.1",
     "typescript": "2.7.1",
-    "webpack": "3.10.0",
+    "webpack": "3.11.0",
     "webpack-dev-server": "2.11.1",
     "zone.js": "0.8.20"
   },