Enable salsa pipeline on GitLab CI

Signed-off-by: Mike Miller <mtmiller@debian.org>
6 jobs for master in 8 minutes and 16 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #121807
build

00:04:18

 
  Test
passed #121810
autopkgtest

00:02:44

passed #121811
blhc

00:01:31

passed #121809
lintian

00:01:59

passed #121812
piuparts

00:03:03

passed #121808
reprotest

00:03:57