Bump lxml from 4.9.4 to 5.2.1

Bumps [lxml](https://github.com/lxml/lxml) from 4.9.4 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-4.9.4...lxml-5.2.1)

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

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

requirements.txt

@@ -27,7 +27,7 @@ python-dateutil
 cryptography
 pytz
 requests
-lxml==4.9.4  # FIXME: issue with version 5+
+lxml==5.2.1  # FIXME: issue with version 5+
 chardet
 ovh
 oath