Add Liquid IL benchmark #1984

Job	Run time
benchmark-ractor-only (head)	50s
benchmark-graph	44s
benchmark-run-once	1m 37s
benchmark-ractor (head)	7m 5s
benchmark-default (ruby)	11m 57s
benchmark-default (truffleruby, --excludes=knucleotide,lobsters,ruby-lsp,shipit)	12m 47s
benchmark-default (head)	13m 14s
test (truffleruby)	1m 46s
test (head)	42s
test (ruby)	47s
all-tests	3s
	51m 32s

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