Bump sphinx to 7.4.7

Author: JonnyWong16

requirements_dev.txt

@@ -11,7 +11,7 @@ pytest-mock==3.14.0
 recommonmark==0.7.1
 requests==2.32.3
 requests-mock==1.12.1
-sphinx==8.1.3
+sphinx==7.4.7
 sphinx-rtd-theme==2.0.0
 tqdm==4.66.5
 websocket-client==1.8.0