test/golangci: Fetch GITHUB_BEFORE reference #296

Job	Run time
Code	6m 4s
Client (1.20.x, ubuntu-latest)	1m 5s
System (1.20.x, cluster, dir)	11m 28s
Documentation	9m 38s
Client (1.20.x, macos-latest)	1m 52s
System (1.20.x, cluster, btrfs)	11m 11s
Client (1.20.x, windows-latest)	1m 5s
System (1.20.x, cluster, lvm)	13m 28s
System (1.20.x, cluster, zfs)	10m 40s
System (1.20.x, cluster, ceph)	15m 15s
System (1.20.x, cluster, random)	12m 10s
System (1.20.x, standalone, dir)	22m 29s
System (1.20.x, standalone, btrfs)	21m 36s
System (1.20.x, standalone, lvm)	39m 46s
System (1.20.x, standalone, zfs)	43m 31s
System (1.20.x, standalone, ceph)	1h 13m 34s
System (1.20.x, standalone, random)	23m 36s
System (stable, cluster, dir)	11m 57s
System (stable, standalone, dir)	21m 40s
System (tip, cluster, dir)	13m 44s
System (tip, standalone, dir)	22m 5s
	6h 27m 54s

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