[Merge] ~hammerstefan/livecd-rootfs:lunar-arm64-minimal-fix into livecd-rootfs:ubuntu/master

[Steve Langasek]

Review: Needs Information

I would like to see more root cause analysis to explain why the initramfs is missing given that we don't see this same issue on amd64 minimal.
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https://code.launchpad.net/~hammerstefan/livecd-rootfs/+git/livecd-rootfs/+merge/439386
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~hammerstefan/livecd-rootfs:lunar-arm64-minimal-fix into livecd-rootfs:ubuntu/master.