Bump lxml from 6.0.2 to 6.0.4

Bumps [lxml](https://github.com/lxml/lxml) from 6.0.2 to 6.0.4.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-6.0.2...lxml-6.0.4)

---
updated-dependencies:
- dependency-name: lxml
  dependency-version: 6.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]