Enable build job for caching Gems of GitLab EE
What does this MR do?
Activate the cache gems
build job for GitLab EE.
Why was this MR needed?
The job was unintentionally disabled for GitLab EE in 9d85320c.
Activate the cache gems
build job for GitLab EE.
The job was unintentionally disabled for GitLab EE in 9d85320c.