Restore TruffleRuby on CI #347

Job	Run time
ruby-versions / Generate Ruby versions	3s
ubuntu-latest 2.7	2m 9s
ubuntu-latest 3.0	1m 57s
ubuntu-latest 3.1	26s
ubuntu-latest 3.2	27s
ubuntu-latest 3.3	23s
ubuntu-latest debug	40s
ubuntu-latest head	24s
macos-latest 2.7	1m 37s
macos-latest 3.0	36s
macos-latest 3.1	34s
macos-latest 3.2	43s
macos-latest 3.3	35s
macos-latest debug	46s
macos-latest head	48s
macos-arm-oss 2.7	50s
macos-arm-oss 3.0	24s
macos-arm-oss 3.1	29s
macos-arm-oss 3.2	25s
macos-arm-oss 3.3	24s
macos-arm-oss debug	30s
macos-arm-oss head	21s
windows-latest 2.7	3m 52s
windows-latest 3.0	2m 9s
windows-latest 3.1	2m 8s
windows-latest 3.2	3m 15s
windows-latest 3.3	3m 31s
windows-latest head	3m 0s
windows-latest mingw	2m 2s
windows-latest mswin	1m 25s
	36m 53s

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