Prepare changelog for 0.2.1

Authored-by: Leonhardt Koepsell <hello@lnhrdt.com>

Author: lnhrdt

CHANGELOG.md

@@ -9,16 +9,16 @@ 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).
 
-## [Unreleased]
-
-### Chore
-
-- Rename ContainerRunTask to ContainerTask.
+## [0.2.1] - 2025-04-23
 
 ### Fixed
 
 - Registry image references now correctly fetch their digest from the remote registry.
 
+### Chore
+
+- Rename ContainerRunTask to ContainerTask.
+
 ## [0.2.0] - 2025-04-22
 
 ### Added