Update sphinx from 4.3.2 to 4.4.0
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 86bfe88..bdf0ee2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -2,4 +2,4 @@
 sphinx-argparse==0.3.1
 sphinx-autobuild==0.7.1
 sphinx-js==3.1.2
-sphinx==4.3.2
+sphinx==4.4.0