Update CHANGELOG.md

CHANGELOG.md

@@ -5,10 +5,19 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.1] - 2024-09-19
+
+### Changed
+
+- Support for a null `executor`, allowing for synchronous metrics publishing.
+- Verify `openTelemetry` and `metricPrefix` are not null in the `OtelMetricPublisher` constructor.
+
 ## [1.0.0] - 2024-09-17
 
 ### Added
 
 - Initial release of the AWS SDK Java OpenTelemetry Metrics library.
 
+[1.0.1]: https://github.com/AppsFlyer/aws-sdk-java-opentelemetry-metrics/pull/18
+
 [1.0.0]: https://github.com/olivierlacan/keep-a-changelog/releases/tag/v1.0.0