add ganeti upstream patch for ceph mimic compat

4 jobs for buster in 20 minutes and 36 seconds (queued for 16 seconds)
Status Job ID Name Coverage
  Build
passed #4318
adcli

00:03:54

passed #4319
ganeti

00:20:33

passed #4320
grml-zsh-config

00:03:55

passed #4321
painintheapt

00:03:18