Ruby

Extract OverloadSet class to cache overload comparison results #1355

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (3.4)	57s
build (truffleruby-head)	40s
build (3.3)	58s
build (4.0)	46s
build (truffleruby)	36s
build (head)	44s
	4m 45s

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