Build(deps-dev): Bump sphinx from 7.3.7 to 7.4.3 (#1149)

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 7.3.7 to
7.4.3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/sphinx-doc/sphinx/releases">sphinx's
releases</a>.</em></p>
<blockquote>
<h2>Sphinx 7.4.3</h2>
<p>Changelog: <a
href="https://www.sphinx-doc.org/en/master/changes.html">https://www.sphinx-doc.org/en/master/changes.html</a></p>
<h2>Sphinx 7.4.2</h2>
<p>Changelog: <a
href="https://www.sphinx-doc.org/en/master/changes.html">https://www.sphinx-doc.org/en/master/changes.html</a></p>
<h2>Sphinx 7.4.1</h2>
<p>Changelog: <a
href="https://www.sphinx-doc.org/en/master/changes.html">https://www.sphinx-doc.org/en/master/changes.html</a></p>
<h2>Sphinx 7.4.0</h2>
<p>Changelog: <a
href="https://www.sphinx-doc.org/en/master/changes.html">https://www.sphinx-doc.org/en/master/changes.html</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst">sphinx's
changelog</a>.</em></p>
<blockquote>
<h1>Release 7.4.3 (released Jul 15, 2024)</h1>
<h2>Bugs fixed</h2>
<ul>
<li><a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/12582">#12582</a>:
Restore support for list-styled :confval:<code>source_suffix</code>
values
with extensions that register parsers.
Patch by Adam Turner.</li>
</ul>
<h1>Release 7.4.2 (released Jul 15, 2024)</h1>
<h2>Bugs fixed</h2>
<ul>
<li><a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/12580">#12580</a>,
<a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/12583">#12583</a>:
Resolve failures with the C domain on incremental builds
with Sphinx 7.3.7 and earlier.
Patch by Adam Turner.</li>
</ul>
<h1>Release 7.4.1 (released Jul 15, 2024)</h1>
<h2>Bugs fixed</h2>
<ul>
<li>Fix invalid HTML when a rubric node with invalid
<code>heading-level</code> is used.
Patch by Adam Turner.</li>
<li><a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/12579">#12579</a>,
<a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/12581">#12581</a>:
Restore support for <code>typing.ParamSpec</code> in autodoc.
Patch by Adam Turner.</li>
</ul>
<h1>Release 7.4.0 (released Jul 15, 2024)</h1>
<h2>Dependencies</h2>
<ul>
<li><a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/12555">#12555</a>:
Drop Docutils 0.18.1 and Docutils 0.19 support.
Patch by Adam Turner.</li>
<li>LaTeX: the <code>xcolor</code> package is now required (but is for
example part of
Ubuntu <code>texlive-latex-recommended</code> which has always been
required).</li>
<li>LaTeX: the <code>fontawesome5</code> LaTeX package is needed for the
default choices
of icons now used in admonition titles in PDF output; but if unavailable
the
PDF build will simply silently omit rendering such icons.  Check the
documentation of the <code>iconpackage</code> key of
:ref:<code>'sphinxsetup' &lt;latexsphinxsetup&gt;</code> for more.</li>
</ul>
<h2>Deprecated</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/c4a7f5bb76bdcf5e5d72654a622c9991d78ed354"><code>c4a7f5b</code></a>
Bump to 7.4.3 final</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/4bdef1b576a782b3d8392bceafca169d0cee44f2"><code>4bdef1b</code></a>
Remove old-styled <code>source_suffix</code> values in tests</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/55c8953cebe017116f473947f2283512933c98c9"><code>55c8953</code></a>
Restore support for list-style <code>source_suffix</code> with
third-party parsers (<a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/1">#1</a>...</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/a874246c88735bde5fe9a699a56b42a7217282dd"><code>a874246</code></a>
Bump version</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/1afa344f87f6944cd725cb74f755d29bdb7751c8"><code>1afa344</code></a>
Bump to 7.4.2 final</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/1c204e63a9a48ae095b36500376178ded5e9fa7f"><code>1c204e6</code></a>
Increment the environment version to resolve C domain issues on
incremental r...</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/4051e2cae2d3bd09e1029b45b63888d32a593b93"><code>4051e2c</code></a>
Bump version</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/1dc45fd94bc847ec6761b5246963c471cd1caf6e"><code>1dc45fd</code></a>
Bump to 7.4.1 final</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/73dd9fcb9b9d29867754d5a220100ae6c1f4f972"><code>73dd9fc</code></a>
Restore support for <code>typing.ParamSpec</code> (<a
href="https://redirect.github.com/sphinx-doc/sphinx/issues/12581">#12581</a>)</li>
<li><a
href="https://github.com/sphinx-doc/sphinx/commit/18ac58bd53aa2c08f487869df2d30f83833c9cca"><code>18ac58b</code></a>
Fix possibly-invalid HTML when a rubric node is manually created</li>
<li>Additional commits viewable in <a
href="https://github.com/sphinx-doc/sphinx/compare/v7.3.7...v7.4.3">compare
view</a></li>
</ul>
</details>
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