Build SLES 12.5 image
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
omnibus-gitlab!4345 (merged) uses the builder image created in this MR to build packages for SLES 12.5.
Edited by Mitchell Nielsen