Bump lxml from 4.9.3 to 5.2.0

Bumps [lxml](https://github.com/lxml/lxml) from 4.9.3 to 5.2.0.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-4.9.3...lxml-5.2.0)

---
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

@@ -59,7 +59,7 @@ jinja2==3.1.3
     #   sphinx
 kiwisolver==1.4.4
     # via matplotlib
-lxml==4.9.3
+lxml==5.2.0
     # via svglib
 markupsafe==2.1.3
     # via jinja2