Bump lxml from 4.9.3 to 5.0.0

Bumps [lxml](https://github.com/lxml/lxml) from 4.9.3 to 5.0.0.
- [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-5.0.0)

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

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

requirements.txt

@@ -12,7 +12,7 @@ fontParts==0.11.0
 fontPens==0.2.4
 fonttools==4.43.0
 fs==2.4.16
-lxml==4.9.3
+lxml==5.0.0
 MutatorMath==3.0.1
 pathspec>=0.9.0
 Pillow==10.0.1