chore(deps): update dependency sphinx to v9

renovate[bot] · web-flow · commit b74e6e1b2796 · 2025-12-22T05:40:36.000Z
diff --git a/docs/requirements.txt b/docs/requirements.txt
@@ -1,2 +1,2 @@
-sphinx~=7.4.1
+sphinx~=9.0.4
 sphinx-rtd-theme~=3.0.0
