Add CHANGELOG entry

Author: ocelotl

CHANGELOG.md

@@ -16,6 +16,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Version 1.17.0/0.38b0 (2023-03-22)
 
+- Add experimental feature to detect resource detectors in auto instrumentation
+  ([#3181](https://github.com/open-telemetry/opentelemetry-python/pull/3181))
 - Implement LowMemory temporality
   ([#3223](https://github.com/open-telemetry/opentelemetry-python/pull/3223))
 - PeriodicExportingMetricReader will continue if collection times out