Use TruffleRuby release in CI #603

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (2.6, 0.1.7, /tmp/local)	56s
build (2.5, 0.2.5, /tmp/local)	58s
build (2.5, 0.2.5)	56s
build (2.7, 0.2.5, /tmp/local)	1m 8s
build (3.0, 0.1.7, /tmp/local)	35s
build (2.7, 0.1.7)	38s
build (2.5, 0.1.7, /tmp/local)	1m 2s
build (3.1, 0.1.7)	25s
build (2.7, 0.1.7, /tmp/local)	1m 6s
build (3.0, 0.2.5)	29s
build (3.2, 0.1.7, /tmp/local)	40s
build (2.6, 0.2.5)	48s
build (3.1, 0.2.5, /tmp/local)	30s
build (3.2, 0.2.5, /tmp/local)	31s
build (2.6, 0.1.7)	46s
build (3.3, 0.2.5, /tmp/local)	40s
build (3.2, 0.1.7)	29s
build (3.1, 0.1.7, /tmp/local)	31s
build (2.6, 0.2.5, /tmp/local)	1m 1s
build (2.5, 0.1.7)	42s
build (3.1, 0.2.5)	31s
build (3.2, 0.2.5)	30s
build (3.0, 0.2.5, /tmp/local)	38s
build (4.0, 0.1.7)	28s
build (4.0, 0.2.5)	27s
build (4.0, 0.2.5, /tmp/local)	28s
build (3.3, 0.2.5)	31s
build (3.3, 0.1.7)	48s
build (4.0, 0.1.7, /tmp/local)	27s
build (3.3, 0.1.7, /tmp/local)	39s
build (2.7, 0.2.5)	45s
build (3.4, 0.1.7, /tmp/local)	31s
build (head, 0.2.5, /tmp/local)	33s
build (head, 0.2.5)	28s
build (3.4, 0.2.5, /tmp/local)	31s
build (head, 0.1.7)	22s
build (3.0, 0.1.7)	26s
build (head, 0.1.7, /tmp/local)	29s
build (3.4, 0.2.5)	31s
build (3.4, 0.1.7)	33s
	25m 31s

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