d/gitlab-ci.yml: Enable CI Debian pipeline on Salsa

6 jobs for master in 6 minutes and 32 seconds (queued for 6 seconds)
latest
Status Job ID Name Coverage
  Build
passed #137988
build

00:02:55

 
  Test
passed #137991
autopkgtest

00:03:35

passed #137992
blhc

00:01:20

passed #137990
lintian

00:01:49

passed #137993
piuparts

00:03:22

passed #137989
reprotest

00:02:48