[gtk] (8 commits) Non-fast-forward update to branch gtk4-win32-egl

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

The branch 'gtk4-win32-egl' 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:

  1449334... gdksurface-win32.c: Call gdk_surface_set_egl_native_window(
  95323f7... gskglcompiler.c: Force GLSL version 300 es as needed

Commits added to the branch:

  72cf304... gdk/wayland: Use right modifiers for tablet button events (*)
  9539cc4... gdk/wayland: Unset GDK_BUTTON1_MASK on proximity_in (*)
  c8d83b7... gesturestylus: Use GtkEventControllerEvent events to track  (*)
  e64bb40... Merge branch 'wip/carlosg/tablet-fixes' into 'main' (*)
  b57b12f... Update placeholder visibility when setting a buffer (*)
  be94949... Merge branch 'issue-4376' into 'main' (*)
  bdf8794... gdksurface-win32.c: Call gdk_surface_set_egl_native_window(
  652ab1a... gskglcompiler.c: Force GLSL version 300 es as needed

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