chore: Update the changelog

CHANGELOG.md

@@ -4,7 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [unreleased]
+## [2.1.2]
+### No change [DO NOT USE]
+
+## [2.1.1]
+### No change [DO NOT USE]
+
+## [2.1.0] 2023-11-27
 ### Changed 
 - Removed the `cli` module. It is no longer recommended to directly interact with the underlying Kafka topic (and hasn't been since cascading deletes were introduced).