Fix CI and ruby-lsp benchmark #1617

Job	Run time
benchmark-run-once	1m 39s
test (truffleruby)	2m 36s
benchmark-default (head)	11m 58s
benchmark-default (truffleruby)	15m 17s
benchmark-default (ruby)	13m 3s
benchmark-graph	54s
test (head)	53s
benchmark-ractor (head)	6m 56s
benchmark-ractor-only (head)	39s
test (ruby)	51s
all-tests	3s
	54m 49s

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