Update dependencies

Change-Id: I75908e0e7fb140ad873a7aa28e0ee2e02616ee4f
diff --git a/requirements.txt b/requirements.txt
index 1952c37..870ad2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-furo == 2022.12.7
-sphinx ~= 6.0
+furo == 2023.3.23
+sphinx ~= 6.1