Ruby

Add a scenario for anonymous block forwarding #1112

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (3.2)	39s
build (3.3)	42s
build (3.4)	41s
build (head)	38s
build (truffleruby)	30s
build (truffleruby-head)	34s
	3m 47s

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