[gtk] (23 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  dd5c6c9... renderboder: Ignore transpaten outlines
  1323af1... widget: Remove size allocate signal enum member
  ec35ed1... widget: Move adjusted size calculation below early-out goto
  dbed8ff... node-editor: Monitor file and reload on changes
  09f3d99... gl renderer: Fix nested rounded clip rendering

Commits added to the branch:

  6ae01f9... docs: Remove redundant SECTION (*)
  68682dd... docs: Remove unnecessary SECTION (*)
  58774ee... docs: Add annotations for GtkPaned new getters (*)
  09ea880... printoperation-unix: Fix a use-after-free (*)
  8053981... Merge branch 'docs-fixes' into 'master' (*)
  c916221... Merge branch 'matthiasc/for-master' into 'master' (*)
  f858a26... NEWS: Updates (*)
  694daa1... Move print-editor to demos (*)
  c133db4... Drop the gtkgears test (*)
  e7bf4a3... tests: Move testcairo into gtk4-demo (*)
  fe6238d... tests: Drop the visuals test (*)
  a37dc29... paned: Drop the Private struct (*)
  b230ea2... paned: Don't ignore the type attribute (*)
  a4debec... Merge branch 'tests-cleanup' into 'master' (*)
  9c13bf7... Merge branch 'matthiasc/for-master' into 'master' (*)
  c66f2ca... x11: Avoid a critical in clipboard data transfer (*)
  8d9a3de... Merge branch 'matthiasc/for-master' into 'master' (*)
  aedc956... renderboder: Ignore transparent outlines
  ef2af52... widget: Remove size allocate signal enum member
  167c611... widget: Move adjusted size calculation below early-out goto
  949eb8d... node-editor: Monitor file and reload on changes
  b9ed957... gl renderer: Fix nested rounded clip rendering
  f78c167... cssvalue: Add class check to transition

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