Run Ruby 3 on release branches
What does this MR do and why?
Run Ruby 3 on release branches
Updates gitlab-ci.yml rules to ensure release branches run Ruby 3. Branches affected by this will be:
- Security branches,
- Auto-deploy branches
- Tags
- Stable branches (stable branches for 15.8 and 15.7 will use Ruby 2 !114574 (merged))
MR acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
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I have evaluated the MR acceptance checklist for this MR.