Bump sphinx from 4.1.2 to 4.2.0

[dependabot]

Bumps sphinx from 4.1.2 to 4.2.0.

Changelog

Sourced from sphinx's changelog.

Release 4.2.0 (released Sep 12, 2021)

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.

... (truncated)

Commits

• 21db4b1 Bump to 4.2.0 final
• 2390ce6 CHANGES: Merge 4.1.3 (unreleased) to 4.2.0
• b67624e Merge pull request #9627 from sphinx-doc/bot/pull-translations
• 50d7bfa Update message catalogs
• 260f217 Merge pull request #9594 from hkuno/pr/no_empty_desc_4.x
• fb141c3 Update CHANGES for PR #9594
• 5719299 Add a testcase for #9694
• c44ee0e Merge pull request #9611 from tk0miya/9560_NewType_module
• 8416813 Merge pull request #9616 from jdufresne/fix-url
• 3a67b49 Update CHANGES for PR #9617
• Additional commits viewable in compare view

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