[geary] (7 commits) Non-fast-forward update to branch mjog/650-old-val-0-glib-critical

[Michael Gratton <mjog src gnome org>]

The branch 'mjog/650-old-val-0-glib-critical' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  8b17f8f... Geary.Util.Logging.Source: Fix GLib `old_val > 0` critical

Commits added to the branch:

  2826bf0... Geary.Imap.Serializer: Don't try to serialise empty literal (*)
  8f4e573... Merge branch 'mjog/692-dont-serialise-empty-array' into 'ma (*)
  62b2f14... .gitlab-ci.yml: Preconfigure /etc/localtime on Ubuntu CI (*)
  0edaf3b... Merge branch 'mjog/tzdata-debconf-wedged-ci' into 'mainline (*)
  fe760ff... Geary.RFC822.Message: Fix Message-Id header not being set (*)
  8dfa262... Merge branch 'mjog/758-missing-message-id' into 'mainline' (*)
  8c43288... Geary.Util.Logging.Source: Fix GLib `old_val > 0` critical

(*) This commit already existed in another branch; no separate mail sent