libxml2: update to 2.11.3
Changelog:
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.10.4
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.0
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.1
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.2
- https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.11.3
Fixes: CVE-2023-28484 CVE-2023-29469
Signed-off-by: Nick Hainke <[email protected]>