Bump lxml from 4.9.1 to 5.1.0

Bumps [lxml](https://github.com/lxml/lxml) from 4.9.1 to 5.1.0.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-4.9.1...lxml-5.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

requirements_docs.txt

@@ -7,7 +7,7 @@ imageio-ffmpeg==0.4.7
 ipygany==0.5.0
 jupyter_sphinx==0.4.0
 jupyterlab==4.1.2
-lxml==4.9.1
+lxml==5.1.0
 matplotlib==3.6.2
 meshio==5.3.4
 mypy==0.982