Fix ruby ci image
What does this MR do?
Fixes a failure with an incorrect ruby version in the CI image https://gitlab.com/gitlab-org/ci-cd/shared-runners/images/macstadium/orka/-/jobs/1298420532
Why was this MR needed?
What's the best way to test this MR?
What are the relevant issue numbers?
Edited by Georgi N. Georgiev