[geary] Non-fast-forward update to branch gnumdk/mainline

[Cédric Bellegarde <cbellegarde src gnome org>]

The branch 'gnumdk/mainline' 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:

  b32adf7... Fix touch input in composer
  0ef60a3... Update Basque translation
  3050e78... editor: Set capture phase for the gesture
  fcece2a... client: composer: Remove workaround for GTK merge request !
  080ead9... meson: Update to 0.59
  146a76c... meson: Use gnome.post_install
  fa99f13... meson: Remove uses of get_pkgconfig_variable
  42fa8c9... engine: Fix GLib.Timezone deprecation warning in GLib 2.68
  00a37dd... Update Occitan translation
  273b126... Update German translation
  b3c0afd... icons: Update icons to match recent Adwaita
  a2e59b9... engine: Vala disallows using nullabe enum value as real GOb
  29fd387... engine: TlsCertificateFlags.VALIDATE_ALL is the default val
  26dfb8e... Update Swedish translation
  e71a24e... Update Indonesian translation
  12bfcb5... Update (or drop) the Docker image used by Flatpak job

Commits added to the branch:

  edad790... Update (or drop) the Docker image used by Flatpak job