tests: enable integration test run on windows as baseline #2294

Job	Run time
prepare	5s
binaries (darwin/amd64)	1m 2s
binaries (darwin/arm64)	1m 2s
binaries (linux/amd64)	2m 18s
binaries (linux/arm/v7)	2m 2s
binaries (linux/arm64)	2m 5s
binaries (linux/s390x)	2m 7s
binaries (linux/ppc64le)	2m 2s
binaries (linux/riscv64)	2m 2s
binaries (windows/amd64)	1m 4s
binaries (windows/arm64)	57s
test / prepare	1m 56s
test / run (containerd, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	6m 14s
test / run (containerd-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integr...	6m 11s
test / run (containerd-1.6, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	6m 9s
test / run (containerd-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./fronte...	6m 16s
test / run (oci, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	5m 17s
test / run (oci-rootless, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, integration)	4m 43s
test / run (oci-snapshotter-stargz, ./client ./cmd/buildctl ./worker/containerd ./solver ./frontend, int...	5m 28s
test / run (./..., 1, integration gateway)	3m 54s
test / run (./client, containerd, nydus, integration)	6m 9s
test / run (./client, oci, nydus, integration)	5m 31s
test / run (./..., nydus, 1, integration)	4m 7s
image	1s
release	1s
	1h 18m 43s

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