Update sphinx requirement from ~=7.1.2 to ~=7.3.4

[dependabot]

Updates the requirements on sphinx to permit the latest version.

Release notes

Sourced from sphinx's releases.

Sphinx 7.3.4

Changelog: https://www.sphinx-doc.org/en/master/changes.html

Changelog

Sourced from sphinx's changelog.

Release 7.3.4 (released Apr 17, 2024)

Bugs fixed

• Handle cases when Any is not an instance of type. Patch by Adam Turner.

Release 7.3.3 (released Apr 17, 2024)

Bugs fixed

• #12290: Fix a false-positive warning when setting a configuration value with Any as the valid type to a type other than the value's default. Patch by Adam Turner.

Release 7.3.2 (released Apr 17, 2024)

Bugs fixed

• Preload all themes defined via entry points. Patch by Adam Turner.
• Fix a bad interaction between the 'Furo' theme and the new-style for configuration values. Patch by Adam Turner.

Release 7.3.1 (released Apr 17, 2024)

Dependencies

• Require tomli on Python 3.10 and earlier. Patch by Adam Turner.

Release 7.3.0 (released Apr 16, 2024)

Dependencies

• #11858: Increase the minimum supported version of Alabaster to 0.7.14. Patch by Adam Turner.
• #11411: Support Docutils 0.21_. Patch by Adam Turner.

... (truncated)

Commits

• 9d649e2 Bump to 7.3.4 final
• 34c1812 Handle cases when Any is not an instance of type
• 4547b49 Bump version
• 90e82d0 Bump to 7.3.3 final
• 7bf847d Fix the valid types check for Any in sphinx.config
• 1e98161 Bump version
• eb41357 Bump to 7.3.2 final
• 0c06a50 Coerce invalid tuple values back to _Opt
• 982681b Load all themes defined via entry points
• 8fe915f Bump version
• Additional commits viewable in compare view

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[github-actions]

According to the primer, this change has no effect on the checked open source code. 🤖🎉

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (66b46ca) to head (09f0789).
Report is 1 commits behind head on main.

Additional details and impacted files

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  Coverage   100.00%   100.00%           
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  Files           31        31           
  Lines         1127      1127           
  Branches       205       205           
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  Hits          1127      1127           

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