Acb/update buildkit #312

Job	Run time
prepare	7s
test / prepare	8m 20s
binaries (darwin/amd64)	1m 31s
binaries (darwin/arm64)	1m 18s
binaries (linux/amd64)	4m 0s
binaries (linux/arm/v7)	3m 52s
binaries (linux/arm64)	2m 56s
binaries (linux/s390x)	3m 29s
binaries (linux/ppc64le)	3m 16s
binaries (linux/riscv64)	3m 16s
binaries (windows/amd64)	1m 40s
binaries (windows/arm64)	1m 45s
test / run (containerd, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	11m 11s
test / run (containerd-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integr...	12m 53s
test / run (containerd-1.6, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	15m 55s
test / run (containerd-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./fronte...	14m 8s
test / run (oci, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	12m 15s
test / run (oci-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	9m 1s
test / run (oci-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, int...	9m 39s
test / run (./..., 1, integration gateway)	9m 3s
test / run (./client, containerd, nydus, integration)	17m 13s
test / run (./client, oci, nydus, integration)	12m 28s
test / run (./..., nydus, 1, integration)	6m 26s
image	0s
release	0s
	2h 45m 42s

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