Build Ruby for GitHub Actions

Remove ubuntu-20.04 from build matrix #600

Sign in to view logs

Run time

Learn about OS pricing on GitHub Actions

Job	Run time
buildJRubyWindows (windows-2019, 10.0.0.0)	9s
build (ubuntu-22.04, jruby-10.0.0.0)	6s
build (ubuntu-24.04, jruby-10.0.0.0)	7s
build (ubuntu-22.04-arm, jruby-10.0.0.0)	9s
build (ubuntu-24.04-arm, jruby-10.0.0.0)	10s
build (macos-13, jruby-10.0.0.0)	5s
build (macos-14, jruby-10.0.0.0)	5s
Create PR to setup-ruby	0s
	51s