Run CI with truffleruby only to repro #1638

Job	Run time
ubuntu-24.04 truffleruby-head	43s
ubuntu-24.04 truffleruby+graalvm-head	3m 8s
ubuntu-22.04 truffleruby+graalvm-head	3m 34s
ubuntu-22.04 truffleruby-head	47s
macos-14 truffleruby+graalvm-head	2m 14s
macos-14 truffleruby-head	39s
ubuntu-22.04-arm truffleruby-head	38s
macos-13 truffleruby-head	1m 47s
ubuntu-22.04-arm truffleruby+graalvm-head	2m 52s
macos-13 truffleruby+graalvm-head	6m 45s
macos-15-intel truffleruby-head	1m 38s
ubuntu-24.04-arm truffleruby-head	41s
macos-15 truffleruby+graalvm-head	2m 20s
macos-15-intel truffleruby+graalvm-head	5m 55s
macos-15 truffleruby-head	38s
ubuntu-24.04-arm truffleruby+graalvm-head	2m 43s
	37m 2s

Provide feedback