py-parsel: updated to 1.9.1

1.9.1 (2024-04-08)

* Removed the dependency on ``pytest-runner``.
* Removed the obsolete ``Makefile``.

1.9.0 (2024-03-14)

* Now requires ``cssselect >= 1.2.0`` (this minimum version was required since
  1.8.0 but that wasn't properly recorded)
* Removed support for Python 3.7
* Added support for Python 3.12 and PyPy 3.10
* Fixed an exception when calling ``__str__`` or ``__repr__`` on some JSON
  selectors
* Code formatted with ``black``
* CI fixes and improvements

(adam)