Add Ruby 2.7.4
What does this Merge Request do and why?
This MR adds Ruby 2.7.4 to the list of Ruby versions to install. It will be made the default shortly.
Merge Request checklist
-
This change is backward compatible. If not, please include steps to communicate to our users. -
Tests added for new functionality. If not, please raise Issue to follow-up. -
Documentation added/updated, if needed. -
gdk doctor
test added, if needed. -
Add the ~highlight
label if this MR should be included in theCHANGELOG.md
.