[evolution-ews] Created tag 3.38.4

[Milan Crha <mcrha src gnome org>]

The unsigned tag '3.38.4' was created.

Tagger: Milan Crha <mcrha redhat com>
Date: 1613123740 +0100

    Tag 3.38.4 release

Changes since the last tag '3.38.3':

Milan Crha (5):
      Post-release version bump
      I#140 - Calendar: Do not add organizer as the only attendee in Import
      I#141 - Mail: Drop to account name hides dragged folder
      e-ews-notification: Add thread safety around get_events thread
      NEWS update for 3.38.4

Мирослав Николић (1):
      Update Serbian translation