[gnome-session] Created tag 40.0

[Benjamin Berg <bberg src gnome org>]

The signed tag '40.0' was created.

Tagger: Benjamin Berg <bberg redhat com>
Date: 1618239306 +0200

    Tag 40.0
    
    Git-EVTag-v0-SHA512: 
b97514fa284129e1d201cda86be7b29d9c55be46a66236af1a101bb5f4cd9540f2ff10b820a75f10e666ecae7bb0c9ea5ccb7eb9f610d2e64729a597f712c04b

Changes since the last tag '40.beta':

Benjamin Berg (1):
      Release 40.0

Fran Dieguez (1):
      Update Galician translation

Kjartan Maraas (1):
      Update Norwegian Bokmål translation

Ngọc Quân Trần (1):
      Update Vietnamese translation

Simon McVittie (1):
      util: Remove undesired variables from activation environment