Log Message:
py-elementpath: updated to 3.0.2

`v3.0.2`_ (2022-08-12)
======================
* Extend root concept to subtrees used as root (e.g. XSD 1.1 assertions)
* Begin XPath 3.1 implementation adding XPathMap and XPathArray

`v3.0.1`_ (2022-07-23)
======================
* Fix of descendant path operator
* Add support for Python 3.11

`v3.0.0`_ (2022-07-16)
======================
* Transition to full XPath node implementation (more memory usage but
  better control and overall faster)
* Add etree.py module with a safe XML parser (ported from xmlschema)