Fix CI and ruby-lsp benchmark #1616

Job	Run time
benchmark-run-once	1m 36s
benchmark-ractor-only (head)	39s
benchmark-default (head)	12m 58s
test (head)	1m 2s
test (truffleruby)	2m 45s
benchmark-default (ruby)	12m 13s
benchmark-default (truffleruby)	13m 35s
benchmark-graph	46s
test (ruby)	51s
benchmark-ractor (head)	6m 50s
all-tests	2s
	53m 17s

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