Update cssselect to 1.2.0

[pyup-bot]

This PR updates cssselect from 1.0.1 to 1.2.0.

Changelog

1.2.0

-------------

Released on 2022-10-27.

*   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.

1.1.0

-------------

Released on 2019-08-09.

*   Support for the ``:scope`` selector, which allows to access immediate
 children of a selector.

*   Support for the ``|E`` syntax for type selectors without a namespace.

*   A new selector method, ``canonical``, returns the CSS expression of the
 selector, as a string.

1.0.3

-------------

Released on 2017-12-27.

* Fix artifact uploads to pypi

1.0.2

-------------

Released on 2017-12-26.

* Drop support for Python 2.6 and Python 3.3.
* Fix deprecation warning in Python 3.6.
* Minor cleanups.

Links

• PyPI: https://pypi.org/project/cssselect
• Changelog: https://pyup.io/changelogs/cssselect/
• Repo: https://github.com/scrapy/cssselect
• Docs: https://pythonhosted.org/cssselect/