update karma

Author: dhilt

package-lock.json

@@ -38,7 +38,7 @@
     "copy-webpack-plugin": "^4.2.0",
     "jasmine-core": "^2.8.0",
     "jshint": "^2.10.1",
-    "karma": "^4.0.0",
+    "karma": "^4.1.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-firefox-launcher": "^1.1.0",
     "karma-jasmine": "^2.0.1",