[vala] (22 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:

  b62cba7... coverage: Build gidl-bindings
  15be65e... ci: Add .gitlab-ci.yml
  a8c0825... ci: Add ubuntu:16.04 run with gcc
  4948b9b... ci: Add ubuntu:18.04 run with gcc
  0069701... ci: Add fedora:rawhide run with clang
  ffde8a5... ci: Add archlinux/base:latest run with gcc
  a9a1081... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  b0a4a90... ci: Always deploy

Commits added to the branch:

  7b45f83... goocanvas-2.0: Fix some field ownerships and types (*)
  920d2c4... posix: Add missing "has_typedef" attribute for some delegat (*)
  3010904... posix: Declare WRDE_APPEND constant as public (*)
  57153f8... gtk4: Update to 3.99.0+358b698e (*)
  5032273... gstreamer: Update from 1.17.2+ git master (*)
  b1d951b... vapi: Update GIR-based bindings (*)
  e7df415... Release 0.49.2 (*)
  11ac7af... Revert "girwriter: Use appropriate get_ccode_* functions" (*)
  1440f02... tests: Add more "invalid" tests to increase coverage (*)
  42207a5... tests: Add "property accessor with try statement" test to i (*)
  eff666b... tests: Add "constant and union" gir test to increase covera (*)
  af33c83... tests: Add "nested namespace" girwriter test to increase co (*)
  b34161f... tests: Don't rely on undefined use-after-free behaviour of  (*)
  e153f32... coverage: Build gidl-bindings
  7e753b8... ci: Add .gitlab-ci.yml
  92f6936... ci: Add ubuntu:16.04 run with gcc
  6a77658... ci: Add ubuntu:18.04 run with gcc
  f90a900... ci: Add fedora:rawhide run with clang
  b6161be... ci: Add archlinux/base:latest run with gcc
  35e7309... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  a64a067... ci: Add alpine:edge run with gcc
  8a77ece... ci: Always deploy

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