py38: upgrade uwsgi to latest (#24481)

requirements-base.txt

@@ -55,7 +55,7 @@ toronado==0.1.0
 ua-parser==0.10.0
 unidiff==0.5.5
 urllib3==1.24.2
-uWSGI==2.0.18
+uWSGI==2.0.19.1
 zstandard==0.14.1
 
 msgpack==1.0.0