Use otel BatchProcessor

[kate-osborn]

Seeing the following log in the nginx-gateway container:

{"level":"debug","ts":"2024-12-17T19:56:52Z","logger":"telemetryJob.otel","msg":"SimpleSpanProcessor is not recommended for production use, consider using BatchSpanProcessor instead."}

[github-actions]

This issue is stale because it has been open 14 days with no activity. Remove stale label or comment or this will be closed in 14 days.

[debug-ing]

Hi. Can I do this?

[bjee19]

Hey @debug-ing, sure!