fix: upgrade karma from 5.1.0 to 5.2.3

Snyk has created this PR to upgrade karma from 5.1.0 to 5.2.3.

See this package in npm:
https://www.npmjs.com/package/karma

See this project in Snyk:
https://app.snyk.io/org/kadirselcuk/project/28ac5072-f66b-4183-bbda-99b4324cbf96?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

package.json

@@ -46,7 +46,7 @@
     "husky": "4.2.5",
     "insight": "0.10.3",
     "jsdom": "16.3.0",
-    "karma": "5.1.0",
+    "karma": "5.2.3",
     "karma-browserstack-launcher": "1.6.0",
     "karma-chrome-launcher": "3.1.0",
     "karma-firefox-launcher": "1.3.0",