[libhandy] Created tag 1.6.0

[Alexander Mikhaylenko <alexm src gnome org>]

The unsigned tag '1.6.0' was created.

Tagger: Alexander Mikhaylenko <alexm gnome org>
Date: 1647615347 +0400

    Version 1.6.0

Changes since the last tag '1.5.91':

Alexander Mikhaylenko (2):
      style-manager: Don't allow setting themes with -dark in the name
      Release 1.6.0

Asier Sarasua Garmendia (1):
      Update Basque translation

Balázs Úr (1):
      Update Hungarian translation

Emmanuele Bassi (1):
      build: Do not introspect private sources