Dockerfile: update CNI plugins to v1.6.2 #5912

Job	Run time
build (windows/amd64)	2m 1s
build (freebsd/amd64)	1m 41s
sandbox-build (linux/amd64)	6m 47s
sandbox-build (linux/arm64)	6m 44s
test-freebsd-amd64	2m 24s
test-windows-amd64 (containerd, ./client)	5m 54s
test-windows-amd64 (containerd, ./cmd/buildctl)	3m 24s
test-windows-amd64 (containerd, ./worker/containerd)	4m 2s
test-windows-amd64 (containerd, ./solver)	3m 4s
test-windows-amd64 (containerd, ./frontend)	1m 34s
test-windows-amd64 (containerd, ./frontend/dockerfile)	41m 43s
test-windows-amd64 (./..., 1)	3m 23s
	1h 22m 41s

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