Update pyproject.toml

Author: Carreau

pyproject.toml

@@ -193,7 +193,7 @@ filterwarnings= [
 
   # ignore timeout cancel coroutine not awaited in zmq-anyio
   "ignore: coroutine 'Poller._apoll.<locals>.trigger_timeout' was never awaited",
-  "ignore: Unclosed socket"
+  "ignore: Unclosed socket",
 
   # ignore deprecated non async during tests:
   "always:For consistency across implementations, it is recommended that:PendingDeprecationWarning",