Bump lxml from 5.3.1 to 6.0.0

Bumps [lxml](https://github.com/lxml/lxml) from 5.3.1 to 6.0.0.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.3.1...lxml-6.0.0)

---
updated-dependencies:
- dependency-name: lxml
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -15,7 +15,7 @@ iniconfig==2.1.0
 isodate==0.7.2
 itsdangerous==2.2.0
 Jinja2==3.1.6
-lxml==5.3.1
+lxml==6.0.0
 Mako==1.3.10
 MarkupSafe==3.0.2
 orjson==3.10.18