fix({proxy,xo-server}): add backup.vhdDirectoryCompression setting

Introduced by 5d605d1bd

@xen-orchestra/proxy/config.toml

@@ -20,6 +20,7 @@ keepAliveInterval = 10e3
 dirMode = 0o700
 disableMergeWorker = false
 snapshotNameLabelTpl = '[XO Backup {job.name}] {vm.name_label}'
+vhdDirectoryCompression = 'brotli'
 
 [backups.defaultSettings]
 reportWhen = 'failure'

packages/xo-server/config.toml

@@ -87,6 +87,8 @@ snapshotNameLabelTpl = '[XO Backup {job.name}] {vm.name_label}'
 # Delay for which backups listing on a remote is cached
 listingDebounce = '1 min'
 
+vhdDirectoryCompression = 'brotli'
+
 [backups.defaultSettings]
 reportWhen = 'failure'