openimageio: update from 1.4.13 to 1.4.14
nvidia_x11: update to 340.58

Picked from #5070.
nvidia_x11: current long-lived becomes a new legacy

CC: #5070.
systemd-nspawn: Ignore existing directories when trying to create mount-points (#4989)
containers: add test that stopping and starting a container works (#4989)
pidgin: minor update
Merge branch 'master' into staging

This is to get the systemd fix to avoid yet another rebuild.