Add changelog

Author: xrmx

CHANGELOG.md

@@ -26,6 +26,8 @@ inject a `requests.Session` or `grpc.ChannelCredentials` object into OTLP export
   ([#4731](https://github.com/open-telemetry/opentelemetry-python/pull/4731))
 - Performance: Cache `importlib_metadata.entry_points`
   ([#4735](https://github.com/open-telemetry/opentelemetry-python/pull/4735))
+- opentelemetry-sdk: fix calling Logger.emit with an API LogRecord instance
+  ([#4741](https://github.com/open-telemetry/opentelemetry-python/pull/4741))
 
 ## Version 1.36.0/0.57b0 (2025-07-29)