[py] Downgrade sphinx

cgoldberg · cgoldberg · commit 4162ee2d94ad · 2025-10-05T19:07:47.000-04:00
diff --git a/py/docs/requirements.txt b/py/docs/requirements.txt
@@ -1,3 +1,3 @@
 Jinja2==3.1.6
-Sphinx==8.2.3
+Sphinx==8.1.3
 sphinx-material==0.0.36
