dockerfile: update cni to 1.6.2 #5166

Job	Run time
prepare	1s
test / prepare	3m 7s
test / run (containerd, ./frontend/dockerfile, integration)	8m 46s
test / run (containerd, ./frontend/dockerfile, dockerfile)	12m 10s
test / run (containerd-rootless, ./frontend/dockerfile, integration)	9m 20s
test / run (containerd-rootless, ./frontend/dockerfile, dockerfile)	10m 55s
test / run (containerd-1.6, ./frontend/dockerfile, integration)	9m 2s
test / run (containerd-1.6, ./frontend/dockerfile, dockerfile)	14m 57s
test / run (containerd-1.7, ./frontend/dockerfile, integration)	8m 40s
test / run (containerd-1.7, ./frontend/dockerfile, dockerfile)	11m 54s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, integration)	9m 22s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	13m 59s
test / run (oci, ./frontend/dockerfile, integration)	8m 22s
test / run (oci, ./frontend/dockerfile, dockerfile)	13m 12s
test / run (oci-rootless, ./frontend/dockerfile, integration)	8m 16s
test / run (oci-rootless, ./frontend/dockerfile, dockerfile)	13m 28s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, integration)	8m 25s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, dockerfile)	10m 20s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, integration)	8m 50s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	9m 35s
image	0s
scout	0s
release	0s
	3h 12m 41s

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