[Merge] ~xypron/livecd-rootfs:jammy-riscv64 into livecd-rootfs:ubuntu/jammy

[Łukasz Zemczak]

Review: Approve

Looking through the changes, those seem to be all correct cherry picks. At least from my quick glance none seem to be missing. Let's proceed.
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https://code.launchpad.net/~xypron/livecd-rootfs/+git/livecd-rootfs/+merge/433185
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