Build SLES 12SP5 builder image
NOTE: incorrect branch name. Moved to !144 (merged) with correct branch name.
Related to omnibus-gitlab#5153 (closed)
Changes
- (Backstage) Mirrors appropriate repositories for 12SP5 on our SMT host
- Slightly changes the SLES repos directory for clearer organization when building multiple versions
- Adds 12SP5 builder image
- Updates pipeline to build 12SP5
- Slightly changes the SLES pipeline job names to be SP-specific
Will be followed up with an MR under https://gitlab.com/gitlab-org/omnibus-gitlab to build packages for 12.5 and ship to PackageCloud.
Edited by Mitchell Nielsen