Update sphinx requirement from <9,>=7.2.6 to >=9.0.4,<10

[dependabot]

Updates the requirements on sphinx to permit the latest version.

Release notes

Sourced from sphinx's releases.

Sphinx 9.0.4

Changelog: https://www.sphinx-doc.org/en/master/changes/9.0.html

Bugs fixed

• #14143: Fix spurious build warnings when translators reorder references in strings, or use translated display text in references. Patch by Matt Wang.

Changelog

Sourced from sphinx's changelog.

Release 9.0.4 (released Dec 04, 2025)

Bugs fixed

• #14143: Fix spurious build warnings when translators reorder references in strings, or use translated display text in references. Patch by Matt Wang.

Release 9.0.3 (released Dec 04, 2025)

Bugs fixed

• #14142: autodoc: Restore some missing exports in :mod:!sphinx.ext.autodoc. Patch by Adam Turner.

Release 9.0.2 (released Dec 03, 2025)

Bugs fixed

• #14142: autodoc: Restore :mod:!sphinx.ext.autodoc.mock. Patch by Adam Turner.

Release 9.0.1 (released Dec 01, 2025)

Bugs fixed

• #13942: autodoc: Restore the mapping interface for options objects. Patch by Adam Turner.
• #13942: autodoc: Deprecate the mapping interface for options objects. Patch by Adam Turner.
• #13387: Update translations.

Release 9.0.0 (released Nov 30, 2025)

Dependencies

• #13786: Support Docutils 0.22_. Patch by Adam Turner.

  .. _Docutils 0.22: https://docutils.sourceforge.io/RELEASE-NOTES.html#release-0-22-2026-07-29

... (truncated)

Commits

• 8ddba7e Bump to 9.0.4 final
• 6959633 [bot]: Update message catalogues (#14155)
• 88a4a97 Allow reordered refs and translated display text in pending_xref (#14144)
• f666208 Bump version
• df8a9e7 Bump to 9.0.3 final
• bd89f96 Import names from defining module
• 7d05936 autodoc: Restore some missing exports
• b745a11 Bump version
• 1ac581c Bump to 9.0.2 final
• 1281a83 autodoc: Restore mock module for compatibility (#14152)
• Additional commits viewable in compare view

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