[gtk] (17 commits) Non-fast-forward update to branch matthiasc/for-master

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/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:

  81d16c5... gtk-demo: Fix the settings demo

Commits added to the branch:

  7373e73... Update Ukrainian translation (*)
  ceb63b8... Updated Spanish translation (*)
  86562a6... ci: Move images into environment variables (*)
  73fdefd... ci: Move backend Meson flags into a variable (*)
  53eb85b... Merge branch 'ebassi/ci-cleanup-master' into 'master' (*)
  dbec5a8... Update Romanian translation (*)
  29c0dfb... Update Romanian translation (*)
  1b265a7... Stop using GTestDBus (*)
  10bcbae... gtk-demo: Select the initial demo properly (*)
  981c71c... Merge branch 'no-more-testdbus' into 'master' (*)
  68d80ba... Merge branch 'fix-initial-demo-selection' into 'master' (*)
  7489959... gtk-demo: Add a missing source file
  0fb83d7... gtk4-demo: Cosmetic fixes to the dialog demo
  6141c13... gtk-demo: Fix the tagged entry demo
  b46bfca... gtk-demo: Cosmetic changes to the tagged entry demo
  a994392... gtk-demo: Cosmetic changes
  cd10785... gtk-demo: Fix the settings demo

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