Do not enable RUBY_DEVEL by RUBY_PATCHLEVEL
This makes RUBY_DEVEL not enabled automatically. It still can be enabled manually.
Test manually using RUBY_DEVEL in CI.
Implements [Feature #17468]
Added by jeremyevans (Jeremy Evans) almost 3 years ago
Do not enable RUBY_DEVEL by RUBY_PATCHLEVEL
This makes RUBY_DEVEL not enabled automatically. It still can be
enabled manually.
Test manually using RUBY_DEVEL in CI.
Implements [Feature #17468]