ruby-grpc 1.51.1-3build3 (armhf binary) in ubuntu lunar

 Send RPCs from Ruby using GRPC. GRPC is a high performance, open-source
 universal RPC framework.
 .
 Some features of gRPC:
  * Simple service definition
  * Works across languages and platforms
  * Start quickly and scale
  * Bi-directional streaming and integrated auth