Bug#1086726: [debian-mysql] Bug#1086726: galera-arbitrator-4: preinst script creating _galera user should belong to galera-arbitrator-4 instead of galera-4

[Adel Belhouane]

Hello,

I eventually made a M.R: 
https://salsa.debian.org/mariadb-team/galera-4/-/merge_requests/28

regards,
Adel Belhouane.