[ci] get the right path for the docker image

5 jobs for 0.19.6 in 11 minutes and 22 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #100453
linux
build_test

00:06:51

passed #100456
linux
deb

00:06:54

passed #100455
linux
snap

00:09:52

passed #100454
linux
win_installer

00:02:05

 
  Trigger
passed #100457
trigger_deb

00:01:29