test

Bump actions/checkout from 5 to 6 #234

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (2.5 / ubuntu-latest)	23s
build (2.6 / ubuntu-latest)	23s
build (2.7 / macos-latest)	57s
build (3.0 / ubuntu-latest)	24s
build (2.7 / ubuntu-latest)	27s
build (3.0 / macos-latest)	14s
build (3.1 / macos-latest)	14s
build (3.2 / macos-latest)	14s
build (3.2 / ubuntu-latest)	14s
build (3.3 / ubuntu-latest)	13s
build (head / ubuntu-latest)	11s
build (3.4 / macos-latest)	16s
build (head / macos-latest)	15s
build (2.6 / macos-latest)	49s
build (3.1 / ubuntu-latest)	11s
build (3.4 / ubuntu-latest)	13s
build (3.3 / macos-latest)	14s
build (jruby / macos-latest)	31s
build (jruby-head / ubuntu-latest)	1m 3s
build (jruby / ubuntu-latest)	46s
build (2.5 / macos-13)	57s
build (jruby-head / macos-latest)	1m 2s
	10m 15s

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