Important: python-lxml security update (Oracle Linux 8)

[4.2.3-5]
- Security fix for CVE-2026-49825: missing xlink:href in known HTML
link attributes
Resolves: RHEL-251508

[4.2.3-4]
- Security fix for CVE-2021-43818
Resolves: rhbz#2032569

[4.2.3-3]
- Security fix for CVE-2021-28957
Resolves: rhbz#1941534

[4.2.3-2]
- Security fix for CVE-2020-27783: mXSS due to the use of improper parser
Resolves: rhbz#1901633

[4.2.3-1]
- New upstream release 4.2.3

[4.1.1-3]
- Conditionalize the python2 subpackage

[4.1.1-2]
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

[4.1.1-1]
- Update to 4.1.1

[4.0.0-2]
- Conditionally allow building without Cython

[4.0.0-1]
- Update to 4.0.0