chore(deps): bump actions/checkout from 5 to 6 #1351

Job	Run time
test (ubuntu-latest, 26.3, false)	3m 8s
test (ubuntu-latest, 27.2, false)	1m 7s
test (macos-latest, 28.2, false)	1m 48s
test (ubuntu-latest, 29.4, false)	3m 5s
test (ubuntu-latest, 30.2, false)	3m 4s
test (macos-latest, 29.4, false)	1m 47s
test (macos-latest, 30.2, false)	2m 4s
test (ubuntu-latest, snapshot, true)	3m 4s
test (windows-latest, 27.2, false)	2m 13s
test (ubuntu-latest, 28.2, false)	1m 14s
test (windows-latest, 26.3, false)	3m 12s
test (windows-latest, snapshot, true)	18m 7s
test (windows-latest, 29.4, false)	2m 23s
test (macos-latest, snapshot, true)	1m 52s
test (windows-latest, 30.2, false)	2m 17s
test (windows-latest, 28.2, false)	2m 32s
	52m 57s

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