Merge pull request #8 from pradeep0601/greenkeeper/@angular/language-service-6.0.0

Update @angular/language-service to the latest version 🚀

Author: pradeep0601

package.json

@@ -28,7 +28,7 @@
   "devDependencies": {
     "@angular/cli": "6.0.0-rc.4",
     "@angular/compiler-cli": "^5.2.0",
-    "@angular/language-service": "^5.2.0",
+    "@angular/language-service": "^6.0.0",
     "@types/jasmine": "~2.8.3",
     "@types/jasminewd2": "~2.0.2",
     "@types/node": "~9.6.2",