build

chore(deps): update docker/build-push-action digest to 31159d4 #1611

Job	Run time
386:tcp image	2m 37s
386:ssh image	2m 47s
amd64:tcp image	2m 9s
amd64:ssh image	2m 31s
arm/v6:tcp image	10m 46s
arm/v6:ssh image	6m 54s
arm/v7:tcp image	9m 55s
arm/v7:ssh image	5m 38s
arm64:tcp image	5m 10s
arm64:ssh image	5m 34s
ppc64le:tcp image	5m 6s
ppc64le:ssh image	5m 57s
docker.io:tcp-pr-56-62b9fdb manifest	13s
docker.io:ssh-pr-56-62b9fdb manifest	6s
docker.io:tcp-pr-56 manifest	6s
docker.io:ssh-pr-56 manifest	5s
ghcr.io:tcp-pr-56-62b9fdb manifest	4s
ghcr.io:ssh-pr-56-62b9fdb manifest	6s
ghcr.io:tcp-pr-56 manifest	6s
ghcr.io:ssh-pr-56 manifest	12s
	1h 6m 2s

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