Merge pull request #444 from ruby/rmf-cli #1506

Job	Run time
benchmark-ractor (head)	12m 30s
benchmark-ractor (ruby)	13m 0s
benchmark-default (head)	10m 28s
benchmark-default (ruby)	11m 2s
benchmark-ractor-only (head)	48s
test (ruby)	1m 0s
benchmark-ractor-only (ruby)	58s
test (head)	1m 4s
test (truffleruby)	1m 10s
benchmark-default (truffleruby)	15m 32s
benchmark-graph	52s
benchmark-run-once	1m 37s
all-tests	3s
	1h 10m 4s

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