[vala] (9 commits) Non-fast-forward update to branch wip/ci

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/ci' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  599b018... ci: Add .gitlab-ci.yml
  d625283... ci: Always deploy

Commits added to the branch:

  c517b19... gstreamer: Update from 1.15.1+ git master (*)
  1a1e184... gtk4: Update to 3.94.0+a872c41f (*)
  0940516... gtk4-unix-printer: Update to 3.94.0+a872c41f (*)
  dd8b315... gtk+-unix-print-*.0: Fix PrintJob.get_page_ranges(), Printe (*)
  00efb46... gio-unix-2.0: Add DesktopAppInfo.get_string_list() since 2. (*)
  08e490e... ci: Add .gitlab-ci.yml
  5ff41f6... ci: Always deploy
  e0a96ef... Use Fedora 29 -- https://bugzilla.redhat.com/show_bug.cgi?i
  957a5c6... ci: Add ubuntu lts 16.04 run with gcc

(*) This commit already existed in another branch; no separate mail sent