[Merge] ~toabctl/livecd-rootfs:new-ubuntu-oci into livecd-rootfs:ubuntu/master

[Thomas Bechtold]

The focal based image can be found here: https://people.canonical.com/~toabctl/lp/mp-401596/
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https://code.launchpad.net/~toabctl/livecd-rootfs/+git/livecd-rootfs-1/+merge/401596
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~toabctl/livecd-rootfs:new-ubuntu-oci into livecd-rootfs:ubuntu/master.