[gtk] (16 commits) Non-fast-forward update to branch wip/chergert/for-main

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/for-main' 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:

  90e660e... macos: require input region to become key
  71a86f8... macos: fix cursor blink time

Commits added to the branch:

  e6afe28... headerbar: Fix docs (*)
  5316eb0... gdk: use EGL_KHR_swap_buffers_with_damage (*)
  5557a52... Update Korean translation (*)
  d0aedbc... Merge branch 'bilelmoussaoui/docs' into 'main' (*)
  8cb7369... Merge branch 'wip/chergert/KHR_swap_buffers_with_damage' in (*)
  4a2a76c... gtk: Have GtkCenterLayout hold a reference to its widgets (*)
  a652507... Merge branch 'center-layout-setters' into 'main' (*)
  bf852be... Fix up preconditions of gsk_gl_shader_node_new (*)
  e297ac3... Merge branch 'fixup-shadernode-constructor' into 'main' (*)
  b5d1323... Update Korean translation (*)
  c1eac4a... Update Korean translation (*)
  c4c496a... Update Catalan translation (*)
  88fa226... Fix a documentation typo (*)
  f3968f2... Merge branch 'fix-doc-typo' into 'main' (*)
  28607f0... macos: require input region to become key
  2eb162d... macos: fix cursor blink time

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