Gitlab-CI: Update to match latest updates in Salsa-CI

- Update lintian stage with new Salsa-CI code
  Copied from
  salsa-ci-team/pipeline@aa99acdb

- Stop sending stats to non-responsive server prittiau.debian.net
  Fixes error:
   curl: (7) Failed to connect to prittiau.debian.net port 443:
   Connection timed out