Bump sphinx from 7.3.7 to 7.4.7

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 7.3.7 to 7.4.7.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v7.3.7...v7.4.7)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -76,7 +76,7 @@ docs = [
   "jupytext",
   "jupyter-book>=0.15.1,<1.1",
   "plotly",
-  "Sphinx==7.3.7"
+  "Sphinx==7.4.7"
 ]
 full = [
   "gplugins[devsim,femwell,gmsh,meow,sax,schematic,tidy3d,vlsir]"