chore(package): update protractor to version 4.0.5

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -111,7 +111,7 @@
     "karma-webpack": "1.8.0",
     "parse5": "^1.3.2",
     "phantomjs": "^2.1.7",
-    "protractor": "^3.2.2",
+    "protractor": "^4.0.5",
     "raw-loader": "0.5.1",
     "rimraf": "^2.5.2",
     "source-map-loader": "^0.1.5",