[gnome-panel] Created tag 3.40.0

[Alberts Muktupāvels <muktupavels src gnome org>]

The unsigned tag '3.40.0' was created.

Tagger: Alberts Muktupāvels <alberts muktupavels gmail com>
Date: 1616682672 +0200

    Tag release 3.40.0

Changes since the last tag '3.38.0':

Alberts Muktupāvels (21):
      menu: stop using GSlice
      launcher: stop using GSlice
      clock: stop using GSlice
      libpanel-util: stop using GSlice
      lockdown: stop using GSlice
      applet-frame: stop using GSlice
      clock: switch to g_time_zone_new_identifier
      menu: redo get_file_root
      menu: initialize contents variable
      fish: remove unused parameter from locate_fortune_command
      fish: nullify argv after freeing it
      launcher: log error if directory creating fails
      launcher: check return values
      run-dialog: fix memory leak
      run-dialog: remove unneeded NULL checks
      layout: fix memory leaks
      layout: remove unneeded NULL check
      clock: fix memory leak
      doap: clean up list of maintainers
      clock: adapt to libgweather API changes
      bump version to 3.40.0, update NEWS

Asier Sarasua Garmendia (1):
      Update Basque translation

Balázs Úr (1):
      Update Hungarian translation

Dušan Kazik (1):
      Update Slovak translation

Fabio Tomat (6):
      Update Friulian translation
      Update Friulian translation
      Update Friulian translation
      Update Friulian translation
      Update Friulian translation
      Update Friulian translation

Marek Černocký (1):
      Updated Czech translation

Mario Blättermann (1):
      Update German translation

Мирослав Николић (1):
      Update Serbian translation