Bump ruby/setup-ruby from 1.226.0 to 1.230.0 #171

Job	Run time
RubyGems on Ubuntu (3.1)	8s
RubyGems on Ubuntu (3.2)	7s
RubyGems on Ubuntu (3.3)	7s
RubyGems on macOS (3.1)	11s
RubyGems on macOS (3.2)	11s
RubyGems on macOS (3.3)	12s
RubyGems on Windows (3.1)	2m 32s
RubyGems on Windows (3.2)	4m 42s
RubyGems on Windows (3.3)	5m 3s
RubyGems on Ubuntu (jruby-9.4)	44s
RubyGems on Ubuntu (truffleruby-24)	26s
RubyGems on Windows (mswin)	2m 54s
RubyGems on Ubuntu (ruby-head)	13s
RubyGems on Ubuntu (truffleruby-head)	50s
	18m 20s

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