Log Message:
py-cssselect: updated to 1.2.0

Version 1.2.0
-------------
* Drop support for Python 2.7, 3.4-3.6, add support for Python 3.7-3.11.
* Add type annotations (PEP 484 and PEP 561).
* More features from the CSS Selectors Level 4:
  * The ``:is()`` pseudo-class.
  * The ``:where()`` pseudo-class.
  * The ``:has()`` pseudo-class, with some limitations.
* Fix parsing ``:scope`` after a comma.
* Add parentheses to fix condition precedence in some cases.
* Private API changes related to the removal of the Python 2 support:
  * Remove ``_unicode`` and ``_unichr`` aliases from ``csselect.parser``.
  * Remove ``_basestring`` and ``_unicode`` aliases from ``csselect.xpath``.
  * Deprecate ``csselect.xpath._unicode_safe_getattr()`` and change it to just
    call ``getattr()``.
* Include tests in the PyPI tarball.
* Many CI additions and improvements.
* Improve the test coverage.