Add changelog

Author: xrmx

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Fix metrics export with exemplar and no context and filtering observable instruments
   ([#4251](https://github.com/open-telemetry/opentelemetry-python/pull/4251))
+- Fix recursion error with sdk disabled and handler added to root logger
+  ([#4259](https://github.com/open-telemetry/opentelemetry-python/pull/4259))
 
 ## Version 1.28.0/0.49b0 (2024-11-05)