Fix CI and ruby-lsp benchmark #1615

Job	Run time
benchmark-run-once	1m 37s
test (truffleruby)	2m 26s
benchmark-ractor (head)	6m 52s
test (head)	53s
benchmark-graph	46s
benchmark-ractor-only (head)	38s
benchmark-default (truffleruby)	16m 14s
benchmark-default (ruby)	12m 46s
test (ruby)	55s
benchmark-default (head)	12m 21s
all-tests	4s
	55m 32s

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