Update sphinx requirement from <=9.1.0,>=5.0 to <=9.1.0,>=9.1.0 in the docs group across 1 directory

[dependabot]

Updates the requirements on sphinx to permit the latest version.
Updates sphinx to 9.1.0

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

[github-actions]

Memory benchmark result

|               Test Name                |      %Δ      |    Master (MB)     |      PR (MB)       |    Δ (MB)    |    Time PR (s)     |  Time Master (s)   |
| -------------------------------------- | ------------ | ------------------ | ------------------ | ------------ | ------------------ | ------------------ |
  test_objective_jac_w7x                 |    2.97 %    |     3.981e+03      |     4.099e+03      |    118.28    |       29.12        |       27.62        |
  test_proximal_jac_w7x_with_eq_update   |   -0.41 %    |     6.625e+03      |     6.598e+03      |    -27.22    |       138.41       |       138.31       |
  test_proximal_freeb_jac                |    0.34 %    |     1.332e+04      |     1.337e+04      |    45.86     |       82.70        |       81.79        |
  test_proximal_freeb_jac_blocked        |    0.08 %    |     7.698e+03      |     7.704e+03      |     5.86     |       72.66        |       72.26        |
  test_proximal_freeb_jac_batched        |   -0.32 %    |     7.715e+03      |     7.690e+03      |    -24.88    |       71.67        |       71.55        |
  test_proximal_jac_ripple               |    0.15 %    |     3.569e+03      |     3.574e+03      |     5.53     |       49.83        |       49.93        |
  test_proximal_jac_ripple_bounce1d      |   -0.28 %    |     3.738e+03      |     3.727e+03      |    -10.35    |       62.46        |       62.67        |
  test_eq_solve                          |    0.75 %    |     2.050e+03      |     2.066e+03      |    15.33     |       74.26        |       74.45        |

For the memory plots, go to the summary of Memory Benchmarks workflow and download the artifact.