Bump sphinx from 8.2.0 to 8.2.1

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 8.2.0 to 8.2.1.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v8.2.1/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.2.0...v8.2.1)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -87,7 +87,7 @@ optional-dependencies.dev = [
     # use it to lint shell commands in GitHub workflow files.
     "shellcheck-py==0.10.0.1",
     "shfmt-py==3.7.0.1",
-    "sphinx==8.2.0",
+    "sphinx==8.2.1",
     "sphinx-copybutton==0.5.2",
     "sphinx-lint==1.0.0",
     "sphinx-paramlinks==0.6",