Exit 1 when grpc requests fail

[janelletavares]

Description of change

the process library may not detect all of the potential errors in the command it's running. we need to look at stderr explicitly.

Fixes #770

Type of change

• New feature
• Bug fix
• Refactor
• Documentation

How was this tested?

• Unit Tests
• Tested in staging
• Tested in minikube

Demo

BEFORE

$ meroxa apps run
<_InactiveRpcError of RPC that terminated with:
status = StatusCode.UNKNOWN
details = "json: cannot unmarshal object into Go struct field fixtureRecord.Key of type string"
debug_error_string = "UNKNOWN:Error received from peer {created_time:"2023-06-08T16:49:06.304472766-07:00", grpc_status:2, grpc_message:"json: cannot unmarshal object into Go struct field fixtureRecord.Key of type string"}"

e(2023) janelle@janelle-thinkpad:~/go/src/github.com/meroxa/turbine-examples/python/notion-s3-python (restore-python-actions) $ echo $?
0 |

AFTER

$ m apps run
Error: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNKNOWN
	details = "json: cannot unmarshal object into Go struct field fixtureRecord.Key of type string"
	debug_error_string = "UNKNOWN:Error received from peer  {created_time:"2023-06-09T08:00:34.482320432-07:00", grpc_status:2, grpc_message:"json: cannot unmarshal object into Go struct field fixtureRecord.Key of type string"}"
>

(2023) janelle@janelle-thinkpad:~/go/src/github.com/meroxa/turbine-examples/python/notion-s3-python  (restore-python-actions) $ echo $?
1

Additional references

Documentation updated