Ruby

Extract OverloadSet class to cache overload comparison results #1356

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (truffleruby-head)	43s
build (head)	42s
build (4.0)	47s
build (3.3)	58s
build (3.4)	58s
build (truffleruby)	38s
	4m 49s

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