[gtk] (14 commits) Non-fast-forward update to branch msvc-project-improvements

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'msvc-project-improvements' 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:

  b051c6a... win32/detectenv-msvc.mak: Add section on VS2022
  b2ddf7e... gdk: Split out publib headers listing
  b711633... win32: Support (re-)generating gdkenumtypes.[c|h]
  20e4a36... WIP: Improve GDK files generation...

Commits added to the branch:

  1a73728... gdk/win32/Makefile.am: Dist gdkkeys-win32.h (*)
  9bad0a2... meson: Remove missing reftests (*)
  da8f634... gdk/wayland: Support new `high-contrast` key (*)
  2b566f0... meson: Install example schema XML (*)
  208e115... Revert "meson: simplify builtin_immodules build option" (*)
  01cb9b5... Update meson build for recent changes (*)
  a4b522f... Merge branch 'meson-fixes' into 'gtk-3-24' (*)
  bae1a43... Merge branch 'high-contrast-3' into 'gtk-3-24' (*)
  aa89959... Merge branch 'fix-dist' into 'gtk-3-24' (*)
  c52a9d0... meson: Make VS2022 builds distinct from VS2019
  0cea6fc... win32/detectenv-msvc.mak: Add section on VS2022
  5955a58... gdk: Split out public headers listing
  9e36a4d... win32: Support (re-)generating gdkenumtypes.[c|h]
  dbd182d... WIP: Improve GDK files generation...

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