Bump actions/checkout from 4 to 6 #3841

Job	Run time
OCI Implementation Registry Compatibility	1m 17s
CLI	45s
Tests Matrix (src/test/cli.exec.nonBuildKit.1.test.ts)	5m 17s
Tests Matrix (src/test/container-features/containerFeaturesOrder.test.ts)	53s
Tests Matrix (src/test/container-features/e2e.test.ts)	4m 7s
Tests Matrix (src/test/cli.build.test.ts)	10m 21s
Tests Matrix (src/test/container-features/featuresCLICommands.test.ts)	3m 4s
Tests Matrix (src/test/cli.test.ts)	1m 17s
Tests Matrix (src/test/cli.exec.nonBuildKit.2.test.ts)	4m 57s
Tests Matrix (src/test/cli.up.test.ts)	5m 35s
Tests Matrix (src/test/cli.exec.buildKit.2.test.ts)	5m 37s
Tests Matrix (src/test/cli.podman.test.ts)	2m 37s
Tests Matrix (--exclude src/test/container-features/containerFeaturesOrder.test.ts --exclude src/...	6m 10s
Tests Matrix (src/test/cli.exec.buildKit.1.test.ts)	4m 59s
Tests Matrix (src/test/imageMetadata.test.ts)	6m 14s
Tests Matrix (src/test/container-features/containerFeaturesOCIPush.test.ts)	1m 6s
Tests	3s
	1h 4m 19s

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