CLSA-2026-1775731413 libxml2: Fix of 8 CVEs

CVE-2023-45322: fix use-after-free in xmlStaticCopyNodeList when copying DTDs - CVE-2024-34459: fix buffer over-read in xmlHTMLPrintFileContext in xmllint - CVE-2025-6170: fix potential buffer overflows in xmllint interactive shell - CVE-2025-8732: fix stack overflow from self-referencing SGML...