CLSA-2026-1790242323 libxml2: Fix of CVE-2025-9714

rebase to 2.9.1-6.0.13.el79.6 - replace the TuxCare CVE-2025-9714 backport Patch229 with the vendor's Patch1007, which guards six evaluation paths where ours guarded three - CVE-2025-9714: initialise the XPath maxDepth the vendor's patch adds to upstream's XPATHMAXRECURSIONDEPTH instead of...