Ruby

Make `untyped` not match any other type #1023

Job	Run time
ruby-versions / Generate Ruby versions	2s
build (3.2)	37s
build (3.3)	49s
build (3.4)	39s
build (head)	39s
build (truffleruby)	30s
build (truffleruby-head)	29s
	3m 45s

Provide feedback