build(deps): bump lxml-html-clean from 0.4.3 to 0.4.4 in /requirements

Bumps [lxml-html-clean](https://github.com/fedora-python/lxml_html_clean) from 0.4.3 to 0.4.4.
- [Changelog](https://github.com/fedora-python/lxml_html_clean/blob/main/CHANGES.rst)
- [Commits](fedora-python/lxml_html_clean@0.4.3...0.4.4)

---
updated-dependencies:
- dependency-name: lxml-html-clean
  dependency-version: 0.4.4
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements/edx-platform-constraints.txt

@@ -713,7 +713,7 @@ lxml[html-clean]==5.3.2
     #   python3-saml
     #   xblock
     #   xmlsec
-lxml-html-clean==0.4.3
+lxml-html-clean==0.4.4
     # via lxml
 mailsnake==1.6.4
     # via -r requirements/edx/bundled.in