chore(deps-dev): bump sphinx from 3.5.4 to 4.0.2

[dependabot-preview[bot]]

Bumps sphinx from 3.5.4 to 4.0.2.

Changelog

Sourced from sphinx's changelog.

Release 4.0.2 (released May 20, 2021)

Dependencies

• #9216: Support jinja2-3.0

Incompatible changes

• #9222: Update Underscore.js to 1.13.1
• #9217: manpage: Stop creating a section directory on build manpage by default (see :confval:man_make_section_directory)

Bugs fixed

• #9210: viewcode: crashed if non importable modules found on parallel build
• #9240: Unknown node error for pending_xref_condition is raised if an extension that does not support the node installs a missing-reference handler

Release 4.0.1 (released May 11, 2021)

Bugs fixed

• #9189: autodoc: crashed when ValueError is raised on generating signature from a property of the class
• #9188: autosummary: warning is emitted if list value is set to autosummary_generate
• #8380: html search: tags for search result are broken
• #9198: i18n: Babel emits errors when running compile_catalog
• #9205: py domain: The :canonical: option causes "more than one target for cross-reference" warning
• #9201: websupport: UndefinedError is raised: 'css_tag' is undefined

Release 4.0.0 (released May 09, 2021)

Dependencies

4.0.0b1

• Drop python 3.5 support
• Drop docutils 0.12 and 0.13 support
• LaTeX: add tex-gyre font dependency

... (truncated)

Commits

• a55816d Bump to 4.0.2 final
• c44140b Update CHANGES for PR #9240
• c015f97 Merge pull request #9251 from tk0miya/9216_support_jinja2-3
• 4b8fb68 Fix type annotations (for jinja2)
• e5c905c Support jinja2-3.0
• ca36c9a Merge pull request #9246 from tk0miya/9240_unknown_node_pending_xref_condition
• bb2c662 Close #9216: Support jinja2-3.0
• 2d3d668 Fix #9240: Unknown node error for pending_xref_condition is raised
• 630e5bd manpage: Stop creating a section directory on build manpage by default
• 1ab7e28 Merge pull request #9223 from tk0miya/underscore.js-1.13.1
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

One of your CI runs failed on this pull request, so Dependabot won't merge it.

• Unit tests (3.7, windows-latest)
• Unit tests (3.7, ubuntu-latest)
• Unit tests (3.7, macos-latest)
• Unit tests (3.6, windows-latest)
• Unit tests (3.6, ubuntu-latest)
• Unit tests (3.6, macos-latest)
• Unit tests (2.7, windows-latest)
• Unit tests (2.7, ubuntu-latest)
• Unit tests (2.7, macos-latest)

Dependabot will still automatically merge this pull request if you amend it and your tests pass.

[dependabot-preview[bot]]

Looks like sphinx is no longer being updated by Dependabot, so this is no longer needed.