[3.13] Docs: Upgrade Sphinx to 9.0 (GH-142114) (#142129)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>

diff --git a/Doc/requirements.txt b/Doc/requirements.txt
index d5f7b473c3aa84419cf2fda77133ca6860d0273e..716772b7f28d998269d4ec251414afade4b49d10 100644 (file)
--- a/Doc/requirements.txt
+++ b/Doc/requirements.txt
@@ -7,7 +7,7 @@
 # won't suddenly cause build failures. Updating the version is fine as long
 # as no warnings are raised by doing so.
 # Keep this version in sync with ``Doc/conf.py``.
-sphinx~=8.2.0
+sphinx~=9.0.0
 
 blurb