SUSE-SU-2026:20998-1 Security update for systemd

This update for systemd fixes the following issues: Update to systemd v257.13: Security issues: - CVE-2026-4105: privilege escalation due to improper access control in RegisterMachine D-Bus method bsc1259650. - CVE-2026-29111: local unprivileged user can trigger an assert in systemd bsc1259418. -...