[gnome-menus] Created tag 3.31.90

[Jeremy Bicha <jbicha src gnome org>]

The signed tag '3.31.90' was created.

Tagger: Jeremy Bicha <jbicha ubuntu com>
Date: 1549325448 -0500

    gnome-menus 3.31.90

Changes since the last tag '3.31.4':

Aurimas Černius (1):
      Updated Lithuanian translation

Balázs Úr (1):
      Update Hungarian translation

Daniel Șerbănescu (1):
      Update Romanian translation

Efstathios Iosifidis (1):
      Update Greek translation

Fabio Tomat (1):
      Update Friulian translation

Fran Dieguez (1):
      Update Galician translation

Jeremy Bicha (4):
      layout: fix missing Exclude close tag after Sundry removal
      ci: add menu-validation test
      ci: switch to debian-slim image since it's 10x smaller
      Release 3.31.90

Kalev Lember (1):
      layout: Add gnome-abrt to Utilities category

Kukuh Syafaat (1):
      Update Indonesian translation

Matej Urbančič (1):
      Added Slovenian translation