Reconfigure gitlab-ci

Signed-off-by: Marco Marinello <me@marcomarinello.it>
3 jobs for buster in 5 minutes and 35 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Clonezilla
passed rebuild-squashfs #97

00:05:28

 
  Packaging
failed build-buster #101

00:00:06

canceled build-buster #98

00:01:37

 
Name Stage Failure
failed
build-buster Packaging
No job log