Merge pull request #5818 from tonistiigi/dockerfile-test-mirror-update #5662

Job	Run time
prepare	1s
test / prepare	2m 16s
test / run (containerd, ./frontend/dockerfile, integration)	5m 7s
test / run (containerd, ./frontend/dockerfile, dockerfile)	7m 13s
test / run (containerd-rootless, ./frontend/dockerfile, integration)	5m 51s
test / run (containerd-rootless, ./frontend/dockerfile, dockerfile)	7m 11s
test / run (containerd-1.6, ./frontend/dockerfile, integration)	6m 17s
test / run (containerd-1.6, ./frontend/dockerfile, dockerfile)	7m 16s
test / run (containerd-1.7, ./frontend/dockerfile, integration)	5m 40s
test / run (containerd-1.7, ./frontend/dockerfile, dockerfile)	7m 41s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, integration)	5m 32s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	9m 19s
test / run (oci, ./frontend/dockerfile, integration)	4m 53s
test / run (oci, ./frontend/dockerfile, dockerfile)	6m 50s
test / run (oci-rootless, ./frontend/dockerfile, integration)	4m 40s
test / run (oci-rootless, ./frontend/dockerfile, dockerfile)	6m 50s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, integration)	4m 40s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, dockerfile)	6m 10s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, integration)	5m 0s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	6m 17s
image (mainline)	6m 40s
image (labs)	5m 48s
scout (master)	34s
scout (master-labs)	32s
release	0s
	2h 8m 18s

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