OPENSUSE-SU-2026:20345-1 Security update for python-lxml_html_clean

This update for python-lxmlhtmlclean fixes the following issues: Changes in python-lxmlhtmlclean: - CVE-2026-28348: improper keywords checking can allow external CSS loading bsc1259378 - CVE-2026-28350: lack of base tag handling can allow the hijacking of the resolution of relative URLs bsc125937...