Update deps

Author: ivankravets

setup.py

@@ -46,7 +46,7 @@
     "aiofiles==%s" % ("0.8.0" if PY36 else "22.1.*"),
     "ajsonrpc==1.*",
     "starlette==%s" % ("0.19.1" if PY36 else "0.22.*"),
-    "uvicorn==%s" % ("0.16.0" if PY36 else "0.19.*"),
+    "uvicorn==%s" % ("0.16.0" if PY36 else "0.20.*"),
     "wsproto==%s" % ("1.0.0" if PY36 else "1.2.*"),
 ]