* Change upstream url and source link. * Remove two upstream patches. - libxml2-2.9.12-fix-lxml-corrupted-tree.patch - commit https://gitlab.gnome.org/GNOME/libxml2/-/commit/85b1792e37b131e7a51af98a37f92472e8de5f3f - libxml2-2.9.12-fix-formatting-regression.patch - commit https://gitlab.gnome.org/GNOME/libxml2/-/commit/13ad8736d294536da4cbcd70a96b0a2fbf47070c