Bump sphinx from 8.2.1 to 8.2.3 (#940)

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

Author: dependabot[bot]

requirements-dev.txt

@@ -7,4 +7,4 @@ flake8-import-order==0.18.2
 flake8-requirements==2.2.1
 mypy==1.15.0; implementation_name=="cpython"
 pre-commit==4.1.0
-sphinx==8.2.1
+sphinx==8.2.3