Update sphinx version constraint in requirements.txt

KyleQianliMa · web-flow · commit 52f2097aa65d · 2026-04-01T11:01:49.000-04:00
diff --git a/requirements.txt b/requirements.txt
@@ -4,7 +4,7 @@ pyyaml
 nyaml>=0.2.2
 
 # Documentation building
-sphinx<5
+sphinx<9
 sphinx-tabs
 sphinx-toolbox
 chios
