build

Bump actions/checkout from 5 to 6 #1885

Job	Run time
ruby-versions / Generate Ruby versions	5s
build (2.6 / macos-latest)	40s
build (2.6 / ubuntu-latest)	33s
build (2.6 / windows-latest)	1m 59s
build (2.7 / macos-latest)	40s
build (2.7 / windows-latest)	1m 51s
build (2.7 / ubuntu-latest)	32s
build (3.0 / ubuntu-latest)	17s
build (3.1 / ubuntu-latest)	20s
build (3.2 / ubuntu-latest)	23s
build (3.0 / windows-latest)	1m 21s
build (3.1 / macos-latest)	16s
build (3.1 / windows-latest)	1m 45s
build (3.0 / macos-latest)	20s
build (3.3 / ubuntu-latest)	20s
build (3.2 / macos-latest)	23s
build (3.2 / windows-latest)	1m 33s
build (3.4 / ubuntu-latest)	20s
build (3.4 / windows-latest)	1m 8s
build (3.3 / windows-latest)	1m 22s
build (truffleruby-head / macos-latest)	41s
build (3.4 / macos-latest)	18s
build (head / macos-latest)	20s
build (head / ubuntu-latest)	18s
build (truffleruby-head / ubuntu-latest)	50s
build (mingw / windows-latest)	1m 24s
build (3.3 / macos-latest)	17s
build (mswin / windows-2022)	1m 17s
	21m 33s

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