Fix CI and ruby-lsp benchmark #1605

Job	Run time
benchmark-ractor-only (head)	38s
benchmark-run-once	1m 37s
benchmark-ractor (head)	6m 48s
test (head)	37s
test (truffleruby)	2m 29s
benchmark-graph	44s
benchmark-default (head)	12m 5s
benchmark-default (truffleruby)	13m 25s
benchmark-default (ruby)	13m 3s
test (ruby)	35s
all-tests	4s
	52m 5s

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