Merge pull request #750 from staticdev/dependabot/pip/docs/sphinx-9.1.0

Bump sphinx from 9.0.4 to 9.1.0 in /docs

Author: staticdev

docs/requirements.txt

@@ -1,3 +1,3 @@
 furo==2025.12.19
-sphinx==9.0.4
+sphinx==9.1.0
 myst_parser==4.0.1