[gtk] (12 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:

  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

Commits added to the branch:

  c5481a1... Add libcloudproviders as a fallback subproject (*)
  d243c6d... ci: Enable libcloudproviders support (*)
  12c38c1... Use the appropriate include for libcloudproviders (*)
  e5d6bb6... Fix another cloudprovider include (*)
  f64d0d8... Merge branch 'matthiasc/cloudprovider-ci' into 'master' (*)
  4ab1b33... gtk-demo: Add a missing source file
  e6b513b... gtk4-demo: Cosmetic fixes to the dialog demo
  d5b3c82... gtk-demo: Fix the tagged entry demo
  7fc3329... gtk-demo: Cosmetic changes to the tagged entry demo
  171037c... gtk-demo: Cosmetic changes
  7b3993e... gtk-demo: Fix the settings demo
  d1cafdf... Revert "notebook: Don't capture clicks"

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