chore(deps): update dependency karma-coverage-istanbul-reporter to v3

Author: renovate-bot

package-lock.json

@@ -42,7 +42,7 @@
     "jasmine-spec-reporter": "4.2.1",
     "karma": "5.1.0",
     "karma-chrome-launcher": "3.1.0",
-    "karma-coverage-istanbul-reporter": "2.1.1",
+    "karma-coverage-istanbul-reporter": "3.0.3",
     "karma-jasmine": "3.0.3",
     "karma-jasmine-html-reporter": "1.5.4",
     "protractor": "5.4.4",