Issue raised by customer : https://gss–c.visualforce.com/apex/Case_View?sbstr=03277425 or https://access.redhat.com/support/cases/#/case/03277425

Upstream issue: https://github.com/argoproj/argo-cd/issues/9607

ApplicationSet doesn't work git with self signed cerificates 

probably fix to be done in applicationset/services/repo_service.go

to reproduce this bug host a  gitea server on premise and try

https://www.techrepublic.com/videos/how-to-install-the-self-hosted-git-server-gitea-on-ubuntu-18-04/