[gtk] (13 commits) Non-fast-forward update to branch wip/chergert/GTK_DEBUG_TEXT_DIR

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/GTK_DEBUG_TEXT_DIR' 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:

  300a94f... main: add GTK_DEBUG_TEXT_DIR environment variable

Commits added to the branch:

  5ba5693... Make our demos more likable (*)
  6bb1873... Merge branch 'headerbar-demo-upgrade' into 'main' (*)
  38ec040... Update Chinese (China) translation (*)
  73dc741... Avoid g_log_set_writer_func in tests (*)
  491d1f6... Merge branch 'fix-tests-with-recent-glib' into 'main' (*)
  bd68339... Updated Lithuanian translation (*)
  e61aecd... Mark sequence parameter in GtkGestureClick::unpaired-releas (*)
  3b08828... Merge branch 'gesture-click-unpaired-release-nullable-seque (*)
  2623c39... shortcutcontroller: Fix a typo (*)
  480a933... Merge branch 'matthiasc/for-main' into 'main' (*)
  63e9e7e... builderparser: fix <lookup/> with interface types (*)
  56a1cbe... Merge branch 'wip/chergert/fix-lookup-with-interfaces' into (*)
  8f1db27... gtkmain: add support for GTK_DEBUG=invert-text-dir

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