Log Message:
py-xmlschema: updated to 3.0.2

v3.0.2

* Use XPath subtree as fragment for xs:assert
* Fix in XMLSchemaProxy definition and usage for providing
  a base-uri to schema nodes
* Module xpath.py splitted to a subpackage for including all the
  custom XPath 1.0/2.0 parsers and related classes to XPath
* Add support for Python 3.13 (pre-releases)