security/vuxml: Add unifi{9,10} vulnerabilities

CVE: CVE-2026-22557
Base Score: 10.0 (Critical)
CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVE: CVE-2026-22558
Base Score: 7.7 (High)
CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Reported by: Jana Steuernagel