Add changelog

Author: xrmx

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- Always setup logs sdk, OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED only controls python `logging` module handler setup
+  ([#4340](https://github.com/open-telemetry/opentelemetry-python/pull/4340))
 - Fix crash exporting a log record with None body
   ([#4276](https://github.com/open-telemetry/opentelemetry-python/pull/4276))
 - Fix metrics export with exemplar and no context and filtering observable instruments