macos

Bump actions/checkout from 4 to 5 #480

Job	Run time
ruby-versions / Generate Ruby versions	6s
macos-13 3.2	32s
macos-13 3.0	28s
macos-13 2.7	1m 17s
macos-13 3.1	29s
macos-13 3.3	20s
macos-13 3.4	22s
macos-14 3.0	19s
macos-14 3.3	15s
macos-14 3.2	15s
macos-14 head	21s
macos-13 debug	43s
macos-14 3.4	16s
macos-14 3.1	16s
macos-14 debug	22s
macos-13 head	31s
macos-14 2.7	31s
	7m 23s

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