Add ZJIT to benchmark runner #1665

Job	Run time
benchmark-run-once	1m 41s
benchmark-graph	43s
benchmark-ractor-only (head)	38s
test (ruby)	59s
benchmark-ractor (head)	6m 47s
benchmark-default (ruby)	13m 7s
benchmark-default (head)	13m 25s
test (truffleruby)	1m 43s
test (head)	48s
benchmark-default (truffleruby, --excludes=knucleotide,lobsters,railsbench,ruby-lsp,shipit)	12m 12s
all-tests	3s
	52m 6s

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