build(deps): bump lxml from 5.2.2 to 5.3.0 in /requirements

Bumps [lxml](https://github.com/lxml/lxml) from 5.2.2 to 5.3.0.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.2.2...lxml-5.3.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements/requirements-saltbox.txt

@@ -7,7 +7,7 @@ dnspython==2.6.1
 docker==7.1.0
 jinja2==3.1.4
 jmespath==1.0.1
-lxml==5.2.2
+lxml==5.3.0
 ndg-httpsclient==0.5.1
 netaddr==1.3.0
 passlib==1.7.4