Merge pull request #179 from crazy-max/bump-alpine #610

Job	Run time
prepare (mainline)	8m 14s
prepare (buildkit)	8m 14s
prepare (desktop)	8m 13s
test (mainline)	4m 25s
e2e (mainline, pip-youtube-dl, linux/arm/v7)	1m 24s
test (buildkit)	25s
validate (./hack/lint)	30s
e2e (mainline, webpack, linux/arm/v7)	1m 55s
test (desktop)	12s
validate (./hack/validate-vendor)	20s
e2e (desktop, pip-youtube-dl, linux/arm/v7)	1m 22s
validate (./hack/install-and-test)	50s
e2e (desktop, webpack, linux/arm/v7)	1m 54s
e2e (mainline, ejabberd, linux/arm64)	13m 33s
e2e (desktop, tini, linux/arm64, --rm)	1m 9s
e2e (desktop, postgis, linux/arm64, -d --name postgis, postgis, UTC [1] LOG: database system is ...	43s
build (mainline)	34m 7s
build (buildkit)	32m 25s
build (desktop)	32m 53s
	2h 32m 48s

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