Chore(deps): Update sphinx requirement from <8,>=3.5 to >=3.5,<9

Updates the requirements on [sphinx](https://github.com/sphinx-doc/sphinx) to permit the latest version.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/v8.0.2/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v3.5.0...v8.0.2)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-type: direct:production
...

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

pyproject.toml

@@ -105,7 +105,7 @@ develop = [
 ]
 doc = [
   "crate-docs-theme>=0.26.5",
-  "sphinx<8,>=3.5",
+  "sphinx>=3.5,<9",
 ]
 release = [
   "build<2",