incusd: Update for server config type #49

Job	Run time
Documentation tests	9m 57s
Code tests	4m 24s
Client tests (1.18.x, ubuntu-latest)	1m 16s
Client tests (1.18.x, macos-latest)	1m 15s
Client tests (1.18.x, windows-latest)	4m 3s
System tests (1.18.x, cluster, dir)	3m 29s
System tests (1.18.x, cluster, btrfs)	3m 36s
System tests (1.18.x, cluster, lvm)	3m 4s
System tests (1.18.x, cluster, zfs)	3m 52s
System tests (1.18.x, cluster, ceph)	4m 57s
System tests (1.18.x, cluster, random)	4m 1s
System tests (1.18.x, standalone, dir)	22m 2s
System tests (1.18.x, standalone, btrfs)	24m 4s
System tests (1.18.x, standalone, lvm)	31m 0s
System tests (1.18.x, standalone, zfs)	30m 58s
System tests (1.18.x, standalone, ceph)	31m 1s
System tests (1.18.x, standalone, random)	26m 45s
System tests (stable, cluster, dir)	2m 56s
System tests (stable, standalone, dir)	2m 24s
System tests (tip, cluster, dir)	3m 34s
System tests (tip, standalone, dir)	13m 58s
	3h 52m 36s

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