chore(deps): upgrade dependency sphinx to v9

renovate[bot] · web-flow · commit 2feec6f4b6e0 · 2025-11-30T14:29:52.000Z
diff --git a/requirements/docs.txt b/requirements/docs.txt
@@ -1,4 +1,4 @@
-sphinx==8.2.3
+sphinx==9.0.0
 sphinxcontrib_trio==1.1.2
 sphinxcontrib-websupport==2.0.0
 myst-parser[linkify]==4.0.1
