security/vuxml: Document new Intel CPU vulnerabilities

Intel has disclosed new CPU vulnerabilities in the release notes for
microcode-20241112. This release also includes updates to previous
microcode updates for CVE-2024-24968 and CVE-2024-23984.

Reference: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases/tag/microcode-20241112
Security: CVE-2024-21820
Security: CVE-2024-21853
Security: CVE-2024-23918
Security: CVE-2024-23984 (updated microcode)
Security: CVE-2024-24968 (updated microcode)
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