Support Grafana Tempo sink for traces

[max-arnold]

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Use Cases

It would be nice to be able to send traces directly from Vector to Grafana Tempo without any intermediate agents

Attempted Solutions

No response

Proposal

No response

References

No response

Version

0.24.1

[david-hodgson-at-sky]

Related to Support ingesting OpenTelemetry traces and Support sending OpenTelemetry traces

Tempo can receive OpenTelemetry traces so #17308 would be a partial solution.