Ruby

feat: add --init option #1083

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (3.2)	39s
build (3.3)	42s
build (3.4)	39s
build (head)	36s
build (truffleruby)	30s
build (truffleruby-head)	33s
	3m 42s

Provide feedback