Bump GH checkout CI action version #1374

Job	Run time
Detect File Changes	13s
Github (ubuntu, mpi, debug, true)	46m 12s
Self Hosted (cpu, gt)	40m 15s
Github (ubuntu, mpi, debug, false)	1h 3m 27s
Github (ubuntu, mpi, no-debug, true)	1h 10m 3s
Self Hosted (gpu, gt)	50m 37s
Self Hosted (gpu, frontier)	51m 38s
Github (ubuntu, mpi, no-debug, false)	1h 30m 31s
Github (macos, mpi, debug, false)	28m 36s
Github (macos, mpi, no-debug, false)	33m 7s
Github (ubuntu, no-mpi, no-debug, false)	27m 20s
	8h 21m 59s

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