Paulin Todev

[processor/transform] Set attribute values using connection context

31

### Component(s) processor/transform ### Is your feature request related to a problem? Please describe. The [attribute](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/processor/attributesprocessor/README.md) and [resource](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/processor/resourceprocessor/README.md) processors have a `from_context` config argument which can be used to set...