Bump sphinx from 8.2.3 to 9.1.0

Bumps [sphinx](https://github.com/sphinx-doc/sphinx) from 8.2.3 to 9.1.0.
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v8.2.3...v9.1.0)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-version: 9.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

poetry.lock

@@ -11,7 +11,7 @@ package-mode = false
 
 [tool.poetry.dependencies]
 Python = "^3.12"
-sphinx = "^8"
+sphinx = ">=8,<10"
 sphinx-git = "^11"
 sphinxext-rediraffe = "^0.3.0"
 sphinx-last-updated-by-git = "^0.3.8"