Fix gRPC SSL support (#801)

* use older version of grpcio

* update comment

Author: tgerdesnv

requirements.txt

@@ -16,6 +16,7 @@ cryptography>=3.3.2
 distro>=1.5.0
 docker>=4.3.1
 gevent>=22.08.0
+grpcio<=1.59.3 # 1.60.0 has broken L0_ssl_grpc. The client gets corrupted and can't connect
 httplib2>=0.19.0
 matplotlib>=3.3.4
 numba>=0.51.2