[gtk] (4 commits) Non-fast-forward update to branch redo-doc-images

[Matthias Clasen <matthiasc src gnome org>]

The branch 'redo-doc-images' 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:

  1b2d4b2... wip: Redo doc image generation

Commits added to the branch:

  527ff05... docs: Fix typo in description of GtkExpression (*)
  6484807... Merge branch 'badcel/fix-typo' into 'main' (*)
  e89365e... gtk-builder-tool: Error out if screenshooting fails (*)
  fa1a4f1... wip: Generate screenshots on the fly

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