Cannot update database schemes in translate.lizard
We need to allow the user weblate to write new migration fixtures to
/usr/local/share/weblate/weblate/trans/migrations/
In order to create such fixtures and allow the updating of the database.
This is needed before the SponsorL work starts.
Parent Task: #11759 (closed)
Original created by @emmapeel on 15308 (Redmine)