package/libxml2: security bump to version 2.12.10
Fixes the following security vulnerabilities:
[CVE-2024-56171] Use-after-free in xmlSchemaIDCFillNodeTables
https://gitlab.gnome.org/GNOME/libxml2/-/issues/828
[CVE-2025-24928] Stack-buffer-overflow in xmlSnprintfElements
https://gitlab.gnome.org/GNOME/libxml2/-/issues/847
Null-deref in xmlPatMatch
https://gitlab.gnome.org/GNOME/libxml2/-/issues/861
https://www.openwall.com/lists/oss-security/2025/02/18/2
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>