Add changelog entry for bootstrap container factory override (#322)

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [v2.1.0](https://github.com/cspray/annotated-container/tree/v2.1.0) - 2023-05-15
+## [v2.1.0](https://github.com/cspray/annotated-container/tree/v2.1.0) - 2023-05-18
 
 ### Added
 
@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Updated the default bootstrap logger to output time with microseconds included.
 - When a `CompositeDefinitionProvider` is used log more useful information about what implementations are composed.
+- Added a `ContainerFactory` parameter to the Bootstrap object to allow using a container library that isn't supported out-of-the-box.
 
 ### Fixed