Is your feature request related to a problem?

We use a backend for the OTLP grpc exporter which tends to sends a 500 response if its overloaded. While this does not follow the best practice, we would like to retry 500 error codes.

Describe the solution you'd like

Allow customization of the _RETRYABLE_ERROR_CODES

Describe alternatives you've considered

Improve the exporter

Additional Context

No response

Would you like to implement a fix?

Yes

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