Unpin sphinx 9 (#2334)

Co-authored-by: yann <yann@MacBook-Pro-de-yann.local>

Author: Yann-P

pyproject.toml

@@ -22,7 +22,7 @@ dynamic = ["version"]
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
-  "sphinx>=7.0,<9",
+  "sphinx>=7.0,<10",
   "beautifulsoup4",
   "docutils!=0.17.0",
   "Babel",