Merge pull request #4 from PlayEveryWare/mendsley/release_zip #11

Job	Run time
validate-dco / run	22s
build	2m 9s
test (dockerd, client, integration)	19m 8s
test (dockerd, cmd/buildctl, integration)	6m 42s
test (dockerd, solver, integration)	6m 41s
test (dockerd, frontend, integration)	6m 47s
test (dockerd, frontend/dockerfile, integration)	27m 1s
test (dockerd-containerd, client, integration)	20m 37s
test (dockerd-containerd, cmd/buildctl, integration)	6m 53s
test (dockerd-containerd, solver, integration)	6m 36s
test (dockerd-containerd, frontend, integration)	6m 50s
test (dockerd-containerd, frontend/dockerfile, integration)	27m 36s
	2h 17m 22s

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