fix(package): update @angular/core to version 5.0.2

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
   "dependencies": {
     "@angular/common": "5.0.1",
     "@angular/compiler": "5.0.1",
-    "@angular/core": "5.0.1",
+    "@angular/core": "5.0.2",
     "@angular/platform-browser": "5.0.1",
     "@angular/platform-browser-dynamic": "5.0.1",
     "@angular/upgrade": "5.0.1",