Bump Rubygems version to v3.4 in CI
What does this MR do and why?
This will be needed to support Ruby 3.1 and 3.2.
MR acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
-
I have evaluated the MR acceptance checklist for this MR.
Edited by Stan Hu