Major changes:
install: Accept Butane YAML configs via --ignition-file/--ignition-url
Add Fedora 46 signing key; drop Fedora 43 signing key
rdcore: Allow multiple hostkeys in zipl command via --hostkey or -k
install: inject network config into initramfs instead of copying to disk
Minor changes:
verify-unique-fs-label: Fix false failure on RAID1 mirrored boot setups
verify-unique-fs-label: Improve diagnostics for unassembled RAID arrays
systemd: bring up ssh if coreos.inst.skip_reboot karg was set
Internal changes:
install: Fix '--console' flag handling on s390x
install: Disable GRUB configuration on s390x
s390x: Use pvimg instead of obsolete genprotimg
s390x: Fix write() to write_all() in initrd generation to prevent silent truncation
s390x: Minor code cleanups in dasd and zipl handling
s390x: Fix lszdev bus ID regex: escape dots and add parser tests
Packaging changes:
Bump minimum supported Rust version (MSRV) to 1.87.0