Support v9.1.2 #676

Job	Run time
prepare (mainline)	8m 26s
prepare (buildkit)	8m 22s
prepare (desktop)	8m 12s
test (mainline)	32s
validate (./hack/lint)	30s
test (buildkit)	33s
validate (./hack/validate-vendor)	29s
e2e (mainline, pip-youtube-dl, linux/arm/v7)	1m 33s
validate (./hack/install-and-test)	29s
test (desktop)	8s
e2e (mainline, webpack, linux/arm/v7)	2m 14s
e2e (desktop, pip-youtube-dl, linux/arm/v7)	1m 30s
e2e (desktop, webpack, linux/arm/v7)	2m 0s
e2e (mainline, ejabberd, linux/arm64)	18m 12s
e2e (desktop, tini, linux/arm64, --rm)	50s
e2e (desktop, postgis, linux/arm64, -d --name postgis, postgis, UTC [1] LOG: database system is ...	45s
build	0s
	54m 45s

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