Add TruffleRuby in CI #292

	name: Test benchmarks
	on:
	push:
	branches:
	- main
	pull_request:
	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	ruby: [ head, truffleruby-head ]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}

	- name: Run tests
	run: ruby test/benchmarks_test.rb

	- name: Test run_benchmarks.rb
	run: ./run_benchmarks.rb
	env:
	WARMUP_ITRS: '1'
	MIN_BENCH_ITRS: '1'
	MIN_BENCH_TIME: '0'

	- name: Test run_once.sh
	run: ./run_once.sh --yjit-stats benchmarks/railsbench/benchmark.rb
	if: matrix.ruby == 'head'

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