Update dependency karma-coverage-istanbul-reporter to v2.1.1

Author: renovate-bot

package.json

@@ -42,7 +42,7 @@
     "jasmine-spec-reporter": "4.2.1",
     "karma": "4.4.1",
     "karma-chrome-launcher": "2.2.0",
-    "karma-coverage-istanbul-reporter": "2.0.5",
+    "karma-coverage-istanbul-reporter": "2.1.1",
     "karma-jasmine": "3.1.1",
     "karma-jasmine-html-reporter": "1.4.2",
     "protractor": "5.4.2",