[vala] (7 commits) Non-fast-forward update to branch wip/meson

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/meson' 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:

  9a3bea4... WIP Add Meson build system
  3d03fb5... WIP
  0208a19... meson: Avoid object clash of scanner.vala in libvaladoc

Commits added to the branch:

  172d545... gtk+-4.0: Update to 3.91.2 (*)
  710df24... vapi: Update GIR-based bindings (*)
  d63d97c... Release 0.37.2 (*)
  1eef324... g-i: Fix deprecation warnings
  f25020f... WIP Add Meson build system
  c104fa1... WIP
  2f5e7a7... meson: Avoid object clash of scanner.vala in libvaladoc

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