Bump sphinx from 8.1.3 to 8.2.0

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 8.1.3 to 8.2.0.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.1.3...v8.2.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Pipfile

@@ -13,5 +13,5 @@ pytest-cov = "==6.0.0"
 mypy = "==1.15.0"
 black = "==25.1.0"
 tbump = "==6.11.0"
-sphinx = {version = "==8.1.3", markers="python_version >= '3.12'"}
+sphinx = {version = "==8.2.0", markers="python_version >= '3.12'"}
 ruff = "==0.9.6"