Backup wikis
(and test them)
On 0.13.0rc1, the backup of wikis fails with [WARNING] Executing undefined method
vcs_type' for #ProjectWiki:0x0000558696ee1d90`
(and test them)
On 0.13.0rc1, the backup of wikis fails with [WARNING] Executing undefined method
vcs_type' for #ProjectWiki:0x0000558696ee1d90`