[vala] (14 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:

  aac41f9... coverage: Build gidl-bindings
  897d868... ci: Add .gitlab-ci.yml
  0d6ebed... ci: Add ubuntu:16.04 run with gcc
  ada8872... ci: Add archlinux:latest run with gcc
  e0f7384... ci: Add alpine:edge run with gcc
  93ed400... ci: Add fedora:rawhide run with clang
  b4f08e5... Fedora rawhide is broken
  f408e21... Ubuntu devel is broken
  7bf0c48... ci: Always deploy

Commits added to the branch:

  0f3cc46... Release 0.54.0 (*)
  ff0eda5... codegen: Add type declaration for implicit temporary local  (*)
  2ed5c4d... codegen: Sealed class in external package is not special (*)
  2826ada... gstreamer: Update from 1.19.0+ git master (*)
  b11345d... gtk4: Update to 4.5.0~3e20ecd6 (*)
  309d60c... coverage: Build gidl-bindings
  01a45a5... ci: Add .gitlab-ci.yml
  7aaf875... ci: Add ubuntu:16.04 run with gcc
  044c79f... ci: Add archlinux:latest run with gcc
  90da486... ci: Add alpine:edge run with gcc
  276b581... ci: Add fedora:rawhide run with clang
  b698b40... Fedora rawhide is broken
  dfa98ac... Ubuntu devel is broken
  782d8a4... ci: Always deploy

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