chore(package): update karma-coverage to version 2.0.2

Closes #97

Author: greenkeeper[bot]

package.json

@@ -22,7 +22,7 @@
     "jasmine-core": "^3.4.0",
     "karma": "^4.1.0",
     "karma-chrome-launcher": "^2.2.0",
-    "karma-coverage": "^1.1.2",
+    "karma-coverage": "^2.0.2",
     "karma-firefox-launcher": "^1.1.0",
     "karma-jasmine": "^2.0.0",
     "karma-script-launcher": "^1.0.0",