build(deps-dev): update sphinx requirement from <8.2 to <9.2

[dependabot]

Updates the requirements on sphinx to permit the latest version.

Release notes

Sourced from sphinx's releases.

Sphinx 9.1.0

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

Dependencies

• #14153: Drop Python 3.11 support.
• #12555: Drop Docutils 0.20 support. Patch by Adam Turner

Features added

• Add add_static_dir() for copying static assets from extensions to the build output. Patch by Jared Dillard

Bugs fixed

• #14189: autodoc: Fix duplicate :no-index-entry: for modules. Patch by Adam Turner
• #13713: Fix compatibility with MyST-Parser. Patch by Adam Turner
• Fix tests for Python 3.15. Patch by Adam Turner
• #14089: autodoc: Fix default option parsing. Patch by Adam Turner
• Remove incorrect static typing assertions. Patch by Adam Turner
• #14050: LaTeXTranslator fails to build documents using the "acronym" standard role. Patch by Günter Milde
• LaTeX: Fix rendering for grid filled merged vertical cell. Patch by Tim Nordell
• #14228: LaTeX: Fix overrun footer for cases of merged vertical table cells. Patch by Tim Nordell
• #14207: Fix creating HTMLThemeFactory objects in third-party extensions. Patch by Adam Turner
• #3099: LaTeX: PDF build crashes if a code-block contains more than circa 1350 codelines (about 27 a4-sized pages at default pointsize). Patch by Jean-François B.
• #14064: LaTeX: TABs ending up in sphinxVerbatim fail to obey tab stops. Patch by Jean-François B.
• #14089: autodoc: Improve support for non-weakreferencable objects. Patch by Adam Turner
• LaTeX: Fix accidental removal at 3.5.0 (#8854) of the documentation of literalblockcappos key of sphinxsetup. Patch by Jean-François B.

Changelog

Sourced from sphinx's changelog.

Release 9.1.0 (released Dec 31, 2025)

Dependencies

• #14153: Drop Python 3.11 support.
• #12555: Drop Docutils 0.20 support. Patch by Adam Turner

Features added

• Add :meth:~sphinx.application.Sphinx.add_static_dir for copying static assets from extensions to the build output. Patch by Jared Dillard

Bugs fixed

• #14189: autodoc: Fix duplicate :no-index-entry: for modules. Patch by Adam Turner
• #13713: Fix compatibility with MyST-Parser. Patch by Adam Turner
• Fix tests for Python 3.15. Patch by Adam Turner
• #14089: autodoc: Fix default option parsing. Patch by Adam Turner
• Remove incorrect static typing assertions. Patch by Adam Turner
• #14050: LaTeXTranslator fails to build documents using the "acronym" standard role. Patch by Günter Milde
• LaTeX: Fix rendering for grid filled merged vertical cell. Patch by Tim Nordell
• #14228: LaTeX: Fix overrun footer for cases of merged vertical table cells. Patch by Tim Nordell
• #14207: Fix creating HTMLThemeFactory objects in third-party extensions. Patch by Adam Turner
• #3099: LaTeX: PDF build crashes if a code-block contains more than circa 1350 codelines (about 27 a4-sized pages at default pointsize). Patch by Jean-François B.
• #14064: LaTeX: TABs ending up in sphinxVerbatim fail to obey tab stops. Patch by Jean-François B.
• #14089: autodoc: Improve support for non-weakreferencable objects. Patch by Adam Turner
• LaTeX: Fix accidental removal at 3.5.0 (#8854) of the documentation of literalblockcappos key of :ref:'sphinxsetup' <latexsphinxsetup>. Patch by Jean-François B.

Commits

• cc7c6f4 Bump to 9.1.0 final
• b127b94 Add app.add_static_dir() for copying extension static files (#14219)
• 20f1c46 LaTeX: Inhibit breaks for rows with merged vertical cells (#14227)
• 3c85411 Polish CHANGES.rst (#14225)
• 9ee5446 LaTeX: restore 1.7 documentation of literalblockcappos (#14224)
• d75d602 LaTeX: improve (again...) some code comments in time for 9.1.0 (#14222)
• 8dca61d Improve some LaTeX code comments (#14220)
• 8ab9600 Bump to 9.1.0 candidate 2
• d59b237 autodoc: Improve support for non-weakreferencable objects
• 964424b Use the correct reference for using existing extensions (#14157)
• Additional commits viewable in compare view

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[github-actions]

Codecov Results 📊

✅ 88776 passed | ⏭️ 6025 skipped | Total: 94801 | Pass Rate: 93.64% | Execution Time: 301m 3s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📈 +642
Passed Tests	📈 +636
Failed Tests	—
Skipped Tests	📈 +6

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 2362 uncovered lines.
❌ Project coverage is 89.87%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
- Coverage    89.90%    89.87%    -0.03%
==========================================
  Files          192       192         —
  Lines        23321     23321         —
  Branches      8020      8020         —
==========================================
+ Hits         20966     20959        -7
- Misses        2355      2362        +7
- Partials      1327      1327         —

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Generated by Codecov Action

Looks like the new version is not actually used in Build API Doc, so we haven't verified it's ok to bump the version yet

[dependabot]

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If you change your mind, just re-open this PR and I'll resolve any conflicts on it.