ci, gha: Update `actions/checkout` actions #239

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Run time

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Job	Run time
macOS arm64	3m 11s
Android ARM 64-bit APK	21m 19s
macOS x86_64	2m 52s
Android ARM 32-bit APK	20m 48s
Windows	4m 5s
Android x86_64 APK	21m 53s
	1h 14m 8s