Remove Ruby 3.0.0 dependency
What does this Merge Request do and why?
With the release of Ruby 3.0.1: https://www.ruby-lang.org/en/news/2021/04/05/ruby-3-0-1-released/, it's unlikely we'll ever make Ruby 3.0.0 the default version for GDK.
Until we're ready, we can remove Ruby 3.x and target whatever version GitLab ends up support in future.
Closes #1203 (closed).
Merge Request checklist
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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
.