Bump sphinx from 8.2.1 to 8.2.3 (#575)

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 8.2.1 to 8.2.3.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.2.1...v8.2.3)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

changes/575.misc.rst

@@ -0,0 +1 @@
+Updated sphinx from 8.2.1 to 8.2.3.

pyproject.toml

@@ -58,7 +58,7 @@ dev = [
 docs = [
     "furo == 2024.8.6",
     "pyenchant == 3.2.2",
-    "sphinx == 8.2.1",
+    "sphinx == 8.2.3",
     "sphinx_tabs == 3.4.7",
     "sphinx-autobuild == 2024.10.3",
     "sphinx-copybutton == 0.5.2",