chore(package): update karma-coverage-istanbul-reporter to version 3.0.0

Closes #71

Author: greenkeeper[bot]

package.json

@@ -50,7 +50,7 @@
     "jasmine-spec-reporter": "~4.2.1",
     "karma": "^4.1.0",
     "karma-chrome-launcher": "~2.2.0",
-    "karma-coverage-istanbul-reporter": "~2.0.5",
+    "karma-coverage-istanbul-reporter": "~3.0.0",
     "karma-jasmine": "~2.0.1",
     "karma-jasmine-html-reporter": "^1.4.0",
     "ng-packagr": "^4.7.0",