Update dependency sphinx to v7.4.7 (#243)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [sphinx](https://github.com/sphinx-doc/sphinx)
([changelog](https://www.sphinx-doc.org/en/master/changes.html)) |
project.optional-dependencies | patch | `==7.4.6` -> `==7.4.7` |

---

### Release Notes

<details>
<summary>sphinx-doc/sphinx (sphinx)</summary>

###
[`v7.4.7`](https://github.com/sphinx-doc/sphinx/blob/HEAD/CHANGES.rst#Release-747-released-Jul-20-2024)

[Compare
Source](https://github.com/sphinx-doc/sphinx/compare/v7.4.6...v7.4.7)

\=====================================

## Bugs fixed

- [#&#8203;12096](https://github.com/sphinx-doc/sphinx/issues/12096):
Warn when files are overwritten in the build directory.
    Patch by Adam Turner and Bénédikt Tran.
- [#&#8203;12620](https://github.com/sphinx-doc/sphinx/issues/12620):
Ensure that old-style object description options are respected.
    Patch by Adam Turner.
- [#&#8203;12601](https://github.com/sphinx-doc/sphinx/issues/12601),
[#&#8203;12625](https://github.com/sphinx-doc/sphinx/issues/12625):
Support callable objects in :py:class:`~typing.Annotated` type
    metadata in the Python domain.
    Patch by Adam Turner.
- [#&#8203;12601](https://github.com/sphinx-doc/sphinx/issues/12601),
[#&#8203;12622](https://github.com/sphinx-doc/sphinx/issues/12622):
Resolve :py:class:`~typing.Annotated` warnings with
    `sphinx.ext.autodoc`,
    especially when using :mod:`dataclasses` as type metadata.
    Patch by Adam Turner.
- [#&#8203;12589](https://github.com/sphinx-doc/sphinx/issues/12589),
[#&#8203;12626](https://github.com/sphinx-doc/sphinx/issues/12626):
autosummary: Fix warnings with :rst:role:`!autolink`.
    Patch by Adam Turner.

</details>

---

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pyproject.toml

@@ -29,7 +29,7 @@ optional-dependencies.dev = [
     "pytest-xdist==3.6.1",
     "pytest==8.3.1",
     "ruff==0.5.4",
-    "sphinx==7.4.6",
+    "sphinx==7.4.7",
     "types-ldap3==2.9.13.20240205",
     "types-pytz==2024.1.0.20240417",
     "types-requests==2.32.0.20240712",