[vala] (20 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:

  c12fd37... coverage: Build gidl-bindings
  311d91c... ci: Add .gitlab-ci.yml
  2460b6c... ci: Add ubuntu:16.04 run with gcc
  fb9b391... ci: Add ubuntu:18.04 run with gcc
  7d2f459... ci: Add fedora:rawhide run with clang
  96c3077... ci: Add archlinux/base:latest run with gcc
  0e90ce1... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  0df6f55... ci: Add alpine:edge run with gcc
  f9e161e... ci: Always deploy

Commits added to the branch:

  2a12314... webkit2gtk-4.0: Update to 2.29.91 (*)
  147fa32... gstreamer: Update from 1.17.2+ git master (*)
  136b87b... pango: Update from 1.46.0 (*)
  8c9aadd... gtk4: Update to 3.99.0+e6e2d6b4 (*)
  53eff0b... Release 0.49.90 (*)
  de42770... doc: Update AUTHORS in manpages (*)
  6a04c46... Revert "codegen: Don't append unreachable clean-up section  (*)
  00c752c... codegen: Don't append unreachable clean-up section of Block (*)
  20ac260... codegen: Always include base_struct declaration if availabl (*)
  ec3dbf3... manual: Update from wiki.gnome.org (*)
  4ea9332... Fix various typos in comments and strings (*)
  1446339... coverage: Build gidl-bindings
  87dbe1f... ci: Add .gitlab-ci.yml
  ac86520... ci: Add ubuntu:16.04 run with gcc
  4da4e99... ci: Add ubuntu:18.04 run with gcc
  56cf2fc... ci: Add fedora:rawhide run with clang
  59929ae... ci: Add archlinux/base:latest run with gcc
  ad58e8e... ci: archlinux/bison - https://bugs.archlinux.org/task/64165
  1c39f74... ci: Add alpine:edge run with gcc
  2c1d4d0... ci: Always deploy

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