Update deps (#1264)

requirements.txt

@@ -63,4 +63,4 @@ urllib3==1.25.3           # via requests
 vine==1.3.0               # via amqp, celery
 wcwidth==0.1.7            # via pytest
 webencodings==0.5.1       # via bleach, html5lib
-zipp==0.5.1               # via importlib-metadata
+zipp==0.5.2               # via importlib-metadata