[gtk] (10 commits) ...Merge branch 'win32-gir' into 'main'

[Luca Bacci <lbacci src gnome org>]

Summary of changes:

  a53650d... gdk/win32: annotate filter callbacks
  180dd5f... gdk/win32: deprecate gdk_win32_surface_is_win32
  a75de5f... gdk/win32: correct gdk_win32_surface_get_handle return type
  3cbf6c9... gdk/win32: annotate gdk_win32_surface_get_handle
  04ebec0... gtk/win32: use gdk_win32_surface_get_handle
  a6418d5... gdk/win32: deprecate gdk_win32_surface_get_impl_hwnd
  88503bc... gtk/win32: fix a switch-default warning
  cad3263... gdk/win32: annotate gdk_win32_surface_set_urgency_hint
  0d7a013... gdk/win32: annotate gdk_win32_surface_lookup_for_display
  ef83123... Merge branch 'win32-gir' into 'main'