Basic OTel support
This adds support to automatically integrate OpenTelemetry performance tracing with Sentry.
See the documentation on how to set it up:
https://docs.sentry.io/platforms/python/performance/instrumentation/opentelemetry/
Give it a try and let us know if you have any feedback or problems with using it.
By: @antonpirker (#1772, #1766, #1765)