build(deps): bump lxml from 5.2.0 to 5.2.1

Bumps [lxml](https://github.com/lxml/lxml) from 5.2.0 to 5.2.1.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.2.0...lxml-5.2.1)

---
updated-dependencies:
- dependency-name: lxml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,6 +1,6 @@
 # Ensure that we always test against the latest versions
 # as soon as they get released by pinning them here and
 # letting `dependabot` update them for new releases.
-lxml==5.2.0
+lxml==5.2.1
 PyICU==2.12 
 html5lib==1.1