Merge branch '1-update-ubuntu-20-04' into 'master'

Resolve "Update Ubuntu 20.04"

Closes #1

See merge request !1
3 jobs for master in 1 minute and 15 seconds (queued for 27 seconds)
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build rootfs Build
Reading package lists...


Multistrap system reported 1 error in /builds/docker/ubuntu/target/.


Cleaning up project directory and file based variables

ERROR: Job failed: command terminated with exit code 1