chore(deps): update dependency karma to v4.1.0

Author: renovate-bot

package-lock.json

@@ -56,7 +56,7 @@
     "codelyzer": "4.5.0",
     "jasmine-core": "3.3.0",
     "jasmine-spec-reporter": "4.2.1",
-    "karma": "4.0.0",
+    "karma": "4.1.0",
     "karma-chrome-launcher": "2.2.0",
     "karma-coverage-istanbul-reporter": "2.0.5",
     "karma-jasmine": "2.0.1",