[gtk] (36 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:

  bf8d9d8... builderparser: Only allocate subparser stack when needed
  f9a855c... builderparser: Keep properties in a GPtrArray
  643e9c4... builder: Use a GPtrArray when parsing signals
  f51057d... accessible: Fix memory leak if context is unset
  c3b1e7e... widget: Shorten get_halign() a bit
  3fc690c... builderparser: Save finalizers in a GPtrArray
  b4a64bd... label: Fix a potential memory leak
  b626d91... gl renderer: Properly y-flip non-offscreen children of roun
  46a5a58... gl renderer: Don't reset offset when drawing offscreen
  c83edeb... label: Refactor get_layout_location
  a91ba90... label: Remove unneeded NULL guards
  c93d7c5... gl renderer: Use rect_contains_rect() copy

Commits added to the branch:

  b34101d... Updated Spanish translation (*)
  7eab565... Updated Spanish translation (*)
  6ddbb2a... doc: Clarify some migration hints (*)
  880468f... docs: Fix a heading gotcha (*)
  285a917... Merge branch 'matthiasc/for-master' into 'master' (*)
  97b5fad... gdk/wayland: Mark matched settings from the portal as valid (*)
  90c428b... Merge branch 'wip/carlosg/mark-valid-portal-settings' into  (*)
  f04e5bd... Make Adwaita-dark available as a theme (*)
  f60d245... Make HighContrastInverse a dark variant (*)
  7b69c58... Merge branch 'matthiasc/for-master' into 'master' (*)
  f7856f2... Updated Czech translation (*)
  bbc3aa4... Revert "Fix the cairo build on OS X" (*)
  141c725... Merge branch 'macos-ci-cairo' into 'master' (*)
  d89ff71... Flip margin-start and -end in RTL (*)
  bbfaacb... Add a reftest for box flipping (*)
  e1a308d... Merge branch 'rtl-margins' into 'master' (*)
  144cf2d... overlaylayout: Set the child type in the class (*)
  2ee1a00... Merge branch 'matthiasc/for-master' into 'master' (*)
  691b6b8... inspector: Add a legend for the layout overlay (*)
  29868b2... docs: Remove a reference to configure events (*)
  07d9cd8... Merge branch 'matthiasc/for-master' into 'master' (*)
  1641d36... Update Ukrainian translation (*)
  a5e929c... docs: Add details (*)
  61a7ebf... Merge branch 'matthiasc/for-master' into 'master' (*)
  69293db... builderparser: Only allocate subparser stack when needed
  aec2fb9... builderparser: Keep properties in a GPtrArray
  de6cd4f... builder: Use a GPtrArray when parsing signals
  b1c8613... accessible: Fix memory leak if context is unset
  872b46a... widget: Shorten get_halign() a bit
  cb41b96... builderparser: Save finalizers in a GPtrArray
  ec8614e... label: Fix a potential memory leak
  650eed7... gl renderer: Properly y-flip non-offscreen children of roun
  4d7a015... gl renderer: Don't reset offset when drawing offscreen
  c305023... label: Refactor get_layout_location
  934b91f... label: Remove unneeded NULL guards
  d9f6b26... gl renderer: Use rect_contains_rect() copy

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