SUSE-SU-2026:2121-1 Security update for frr

This update for frr fixes the following issues: - CVE-2025-61099: NULL Pointer Dereference in FRRouting bsc1252838. - CVE-2025-61100: NULL Pointer Dereference in FRRouting bsc1252829. - CVE-2025-61101: NULL Pointer Dereference in FRRouting bsc1252833. - CVE-2025-61102: NULL Pointer Dereference in...