[vala] (9 commits) Non-fast-forward update to branch tintou/wayland-client

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'tintou/wayland-client' 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:

  69bf957... Add initial wayland-client binding

Commits added to the branch:

  044622a... Add release notes for 0.56 (*)
  6d80e07... gstreamer: Update from 1.21+ git main (*)
  0e822df... vapi: Update GIR-based bindings (*)
  53b003b... vala: Don't allow nullable enum value as real GObject prope (*)
  f56bbc7... vala: Improve accessibility check inside member initializer (*)
  cfb768e... gtk4: Fix GLib.Value parameter in ContentProvider.get_value (*)
  b417c89... valadoc: Include path to doclet in error message (*)
  b934cef... gtk4: Split out gtk4-wayland and gtk4-x11 into separate bin (*)
  d7792d5... vapi: Add initial wayland-client binding

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