[Snyk] Upgrade karma from 6.1.2 to 6.4.4#16

kobaska wants to merge 1 commit intomainkobaska/ng-memory-leak:mainfrom

snyk-upgrade-aaaa8261a34263c13cc5454a94d7fcbdkobaska/ng-memory-leak:snyk-upgrade-aaaa8261a34263c13cc5454a94d7fcbdCopy head branch name to clipboard