build: bump grpcio dependencies

[RobPasMue]

Closes #1655

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.36%. Comparing base (1f57d43) to head (18513c5).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1904   +/-   ##
=======================================
  Coverage   90.36%   90.36%           
=======================================
  Files         108      108           
  Lines        9385     9385           
=======================================
  Hits         8481     8481           
  Misses        904      904           

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[RobPasMue]

Investigation going on...

grpcio issues with 1.68.x and onwards
Sporadic connection failures due to 'ping timeout' in grpcio==1.68.0 and newer. · Issue #39113 · grpc/grpc
keep alive ping timeouts / "Failed to connect to remote host: FD Shutdown" · Issue #38282 · grpc/grpc
REGRESSION: Compatibility between versions broken when upgrading to 1.71.0 · Issue #39021 · grpc/grpc
"Failed to connect to remote host: FD Shutdown" when client talks to server in same binary · Issue #22088 · grpc/grpc
Client fails to reconnect after server restart
Docs
Keepalive | gRPC
grpc/doc/keepalive.md at master · grpc/grpc
Blaming grpc/examples/python/keep_alive/greeter_client.py at master · grpc/grpc

[MaxJPRey]

I will have a look at it too. Thanks @RobPasMue for initiating the investigation.