detect: refactor the detect package #2787

Job	Run time
prepare	1s
test / prepare	5m 31s
test / run (containerd, ./frontend/dockerfile, integration)	4m 33s
test / run (containerd, ./frontend/dockerfile, dockerfile)	5m 56s
test / run (containerd-rootless, ./frontend/dockerfile, integration)	4m 31s
test / run (containerd-rootless, ./frontend/dockerfile, dockerfile)	5m 53s
test / run (containerd-1.6, ./frontend/dockerfile, integration)	4m 30s
test / run (containerd-1.6, ./frontend/dockerfile, dockerfile)	6m 6s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, integration)	5m 51s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	6m 37s
test / run (oci, ./frontend/dockerfile, integration)	4m 14s
test / run (oci, ./frontend/dockerfile, dockerfile)	5m 18s
test / run (oci-rootless, ./frontend/dockerfile, integration)	4m 19s
test / run (oci-rootless, ./frontend/dockerfile, dockerfile)	5m 22s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, integration)	4m 8s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, dockerfile)	5m 49s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, integration)	4m 57s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	6m 17s
image	0s
release	0s
	1h 29m 53s

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