Attempt to restore the auto_update property
Attempt to restore the auto_update property

Fixes a regression in image update in LXD 2.0.10.

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

lxc/lxd-pkg-ubuntu,lxc/lxd-pkg-ubuntu,lxc/lxd-pkg-ubuntu