chore(package): bump zone.js package

Author: MarkPieszak

package.json

@@ -54,7 +54,7 @@
     "webpack": "^2.2.0",
     "webpack-hot-middleware": "^2.12.2",
     "webpack-merge": "^0.14.1",
-    "zone.js": "^0.7.6"
+    "zone.js": "^0.8.5"
   },
   "devDependencies": {
     "@ngtools/webpack": "^1.3.0",