Update sphinx to 4.2.0

[pyup-bot]

This PR updates Sphinx from 4.1.0 to 4.2.0.

Changelog

4.2.0

=====================================

Features added
--------------

* 9445: autodoc: Support class properties
* 9479: autodoc: Emit a warning if target is a mocked object
* 9560: autodoc: Allow to refer NewType instances with module name in Python
3.10 or above
* 9447: html theme: Expose the version of Sphinx in the form of tuple as a
template variable ``sphinx_version_tuple``
* 9594: manpage: Suppress the title of man page if description is empty
* 9445: py domain: ``:py:property:`` directive supports ``:classmethod:``
option to describe the class property
* 9524: test: SphinxTestApp can take ``builddir`` as an argument
* 9535: C and C++, support more fundamental types, including GNU extensions.

Bugs fixed
----------

* 9608: apidoc: apidoc does not generate a module definition for implicit
namespace package
* 9504: autodoc: generate incorrect reference to the parent class if the target
class inherites the class having ``_name`` attribute
* 9537, 9589: autodoc: Some objects under ``typing`` module are not displayed
well with the HEAD of 3.10
* 9487: autodoc: typehint for cached_property is not shown
* 9509: autodoc: AttributeError is raised on failed resolving typehints
* 9518: autodoc: autodoc_docstring_signature does not effect to ``__init__()``
and ``__new__()``
* 9522: autodoc: PEP 585 style typehints having arguments (ex. ``list[int]``)
are not displayed well
* 9481: autosummary: some warnings contain non-existing filenames
* 9568: autosummary: summarise overlined sectioned headings correctly
* 9600: autosummary: Type annotations which contain commas in autosummary table
are not removed completely
* 9481: c domain: some warnings contain non-existing filenames
* 9481: cpp domain: some warnings contain non-existing filenames
* 9456: html search: abbreation marks are inserted to the search result if
failed to fetch the content of the page
* 9617: html search: The JS requirement warning is shown if browser is slow
* 9267: html theme: CSS and JS files added by theme were loaded twice
* 9585: py domain: ``:type:`` option for :rst:dir:`py:property` directive does
not create a hyperlink
* 9576: py domain: Literal typehint was converted to a cross reference
* 9535 comment: C++, fix parsing of defaulted function parameters that are
function pointers.
* 9564: smartquotes: don't adjust typography for text with
language-highlighted ``:code:`` role.
* 9512: sphinx-build: crashed with the HEAD of Python 3.10

4.1.2

=====================================

Incompatible changes
--------------------

* 9435: linkcheck: Disable checking automatically generated anchors on
github.com (ex. anchors in reST/Markdown documents)

Bugs fixed
----------

* 9489: autodoc: Custom types using ``typing.NewType`` are not displayed well
with the HEAD of 3.10
* 9490: autodoc: Some objects under ``typing`` module are not displayed well
with the HEAD of 3.10
* 9436, 9471: autodoc: crashed if ``autodoc_class_signature = "separated"``
* 9456: html search: html_copy_source can't control the search summaries
* 9435: linkcheck: Failed to check anchors in github.com

4.1.1

=====================================

Dependencies
------------

* 9434: sphinxcontrib-htmlhelp-2.0.0 or above
* 9434: sphinxcontrib-serializinghtml-1.1.5 or above

Bugs fixed
----------

* 9438: html: HTML logo or Favicon specified as file not being found on output

Links

• PyPI: https://pypi.org/project/sphinx
• Changelog: https://pyup.io/changelogs/sphinx/
• Homepage: https://www.sphinx-doc.org/

[pyup-bot]

Closing this in favor of #386