build

Alias value to take in old Ruby #1656

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (2.6 / ubuntu-latest)	37s
build (2.6 / macos-latest)	36s
build (2.6 / windows-latest)	1m 34s
build (2.7 / ubuntu-latest)	28s
build (2.7 / macos-latest)	45s
build (2.7 / windows-latest)	1m 29s
build (3.0 / ubuntu-latest)	23s
build (3.0 / macos-latest)	17s
build (3.0 / windows-latest)	1m 17s
build (3.1 / ubuntu-latest)	18s
build (3.1 / macos-latest)	14s
build (3.1 / windows-latest)	1m 12s
build (3.2 / ubuntu-latest)	17s
build (3.2 / macos-latest)	15s
build (3.2 / windows-latest)	1m 26s
build (3.3 / ubuntu-latest)	20s
build (3.3 / macos-latest)	14s
build (3.3 / windows-latest)	1m 0s
build (3.4 / ubuntu-latest)	15s
build (3.4 / macos-latest)	15s
build (3.4 / windows-latest)	58s
build (head / ubuntu-latest)	20s
build (head / macos-latest)	17s
build (truffleruby-head / ubuntu-latest)	50s
build (truffleruby-head / macos-latest)	35s
build (mingw / windows-latest)	58s
build (mswin / windows-2022)	1m 14s
	18m 27s

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