build(deps): bump lxml from 5.3.0 to 5.3.1

Bumps [lxml](https://github.com/lxml/lxml) from 5.3.0 to 5.3.1.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.3.0...lxml-5.3.1)

---
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

@@ -29,7 +29,7 @@ ebdamame==0.4.1
     # via ebd-toolchain (pyproject.toml)
 idna==3.10
     # via requests
-lxml==5.3.0
+lxml==5.3.1
     # via
     #   python-docx
     #   rebdhuhn