Update lxml requirement from ~=5.4.0 to >=5.4,<6.1

Updates the requirements on [lxml](https://github.com/lxml/lxml) to permit the latest version.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.4.0...lxml-6.0.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -32,7 +32,7 @@ classifiers = [
 ]
 
 dependencies = [
-    "lxml~=5.4.0",
+    "lxml>=5.4,<6.1",
 ]
 
 [project.urls]