`no_repeat` option #1747

Job	Run time
ruby-versions / Generate Ruby versions	4s
test (2.7)	2m 10s
test (3.0)	1m 36s
test (3.1)	1m 34s
test (3.2)	1m 41s
test (3.3)	1m 38s
test (3.4)	1m 45s
test (debug)	5m 0s
test (head)	1m 49s
	17m 17s

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