[libadwaita] (2 commits) Non-fast-forward update to branch wip/exalm/doc-screenshots

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/doc-screenshots' 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:

  55569bf... doc: Regenerate tab bar screenshots

Commits added to the branch:

  8b5dae4... Update British English translation (*)
  0f536ad... doc: Regenerate tab bar screenshots

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