Log Message:
py-sphinx-autodoc-typehints: updated to 1.11.1

1.11.1
======
* Changed formatting of ``None`` to point to the Python stdlib docs
* Updated special dataclass handling

1.11.0
======
* Dropped support for Sphinx < 3.0
* Added support for alternative parameter names (``arg``, ``argument``, \ 
``parameter``)
* Fixed import path for Signature
* Fixed ``TypeError`` when formatting a parametrized ``typing.IO`` annotat