feat(@angular/cli): upgrade the blueprint karma-coverage-istanbul-reporter version (#5519)

Author: mattlewis92

packages/@angular/cli/blueprints/ng/files/package.json

@@ -38,7 +38,7 @@
     "karma-cli": "~1.0.1",
     "karma-jasmine": "~1.1.0",
     "karma-jasmine-html-reporter": "^0.2.2",
-    "karma-coverage-istanbul-reporter": "^0.2.0",
+    "karma-coverage-istanbul-reporter": "^1.0.0",
     "protractor": "~5.1.0",
     "ts-node": "~2.0.0",
     "tslint": "~5.1.0",