CLSA-2026-1778238289 frr: Fix of 4 CVEs

CVE-2022-43681: fix bgpd crash on malformed BGP OPEN messages with insufficient data - CVE-2022-40318: fix out-of-bounds read in bgpopenoptionparse with extended option params - CVE-2023-31489: fix out-of-bounds read in BGP Long-lived Graceful-Restart capability parsing - CVE-2023-46752: fix bgpd...