Updates security-harness for Security remote
What does this MR do?
Omnibus is currently moving to GitLab Security, so there's no longer a need to check for dev.gitlab.org repository. This commit updates the pre-push hook to only check for the Security Remote.
Script was updated on GitLab repository on gitlab!27121 (merged)
Related to gitlab-com/gl-infra/delivery#692 (closed)