Update dependency karma-coverage to v2.2.1

package.json

@@ -88,7 +88,7 @@
     "iso-639-1": "2.1.15",
     "json-loader": "0.5.7",
     "karma": "6.4.2",
-    "karma-coverage": "2.2.0",
+    "karma-coverage": "2.2.1",
     "karma-firefox-launcher": "2.1.2",
     "karma-mocha": "2.0.1",
     "karma-mocha-reporter": "2.2.5",

yarn.lock

@@ -5954,10 +5954,10 @@ just-extend@^4.0.2:
   resolved "https://registry.yarnpkg.com/just-extend/-/just-extend-4.2.1.tgz#ef5e589afb61e5d66b24eca749409a8939a8c744"
   integrity sha512-g3UB796vUFIY90VIv/WX3L2c8CS2MdWUww3CNrYmqza1Fg0DURc2K/O4YrnklBdQarSJ/y8JnJYDGc+1iumQjg==
 
-karma-coverage@2.2.0:
+karma-coverage@2.2.1:
-  version "2.2.0"
+  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/karma-coverage/-/karma-coverage-2.2.0.tgz#64f838b66b71327802e7f6f6c39d569b7024e40c"
+  resolved "https://registry.yarnpkg.com/karma-coverage/-/karma-coverage-2.2.1.tgz#e1cc074f93ace9dc4fb7e7aeca7135879c2e358c"
-  integrity sha512-gPVdoZBNDZ08UCzdMHHhEImKrw1+PAOQOIiffv1YsvxFhBjqvo/SVXNk4tqn1SYqX0BJZT6S/59zgxiBe+9OuA==
+  integrity sha512-yj7hbequkQP2qOSb20GuNSIyE//PgJWHwC2IydLE6XRtsnaflv+/OSGNssPjobYUlhVVagy99TQpqUt3vAUG7A==
   dependencies:
     istanbul-lib-coverage "^3.2.0"
     istanbul-lib-instrument "^5.1.0"