[vala] (15 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:

  361b7df... coverage: Build gidl-bindings
  8f0e9fa... ci: Add .gitlab-ci.yml
  f75d5b8... ci: Add ubuntu:16.04 run with gcc
  7ab7846... ci: Add ubuntu:18.04 run with gcc
  3d49884... ci: Add fedora:latest run with clang
  828f379... ci: Add archlinux/base:latest run with gcc
  deabdea... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  0f020b4... ci: Always deploy

Commits added to the branch:

  2dc1851... Revert "vala: Drop mitigation in CodeContext.pkg_config_mod (*)
  fbe96d1... vala: Fix cleaning of output in CodeContext.pkg_config_modv (*)
  2308a32... glib-2.0: Guard Pid.to_string() with GLIB_2_50 to deal with (*)
  8e42916... vala: Don't perform version check on internal lambda method (*)
  13f8c39... vala: Perform version check for types of non-external varia (*)
  6073767... vala: Quote symbol on report by version attribute check (*)
  65c2498... tests: Add "version check" tests to increase coverage (*)
  3568dea... coverage: Build gidl-bindings
  df6b550... ci: Add .gitlab-ci.yml
  d3d020c... ci: Add ubuntu:16.04 run with gcc
  6ddbbdf... ci: Add ubuntu:18.04 run with gcc
  d8ccd7e... ci: Add fedora:latest run with clang
  26fa5cc... ci: Add archlinux/base:latest run with gcc
  d337163... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  7c279a3... ci: Always deploy

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