bootc-image-builder rejects customizations.filesystem for qcow2 and
falls back to its default size.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
bootc-image-builder's qcow2, with no user: Aurora's plasma-setup creates
the first one at first boot. Daily builds upload it to MinIO's
disk/latest/; tagged releases include it.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>