Correct version numbers

Author: XedinUnknown

CHANGELOG.md

@@ -6,11 +6,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [[*next-version*]] - YYYY-MM-DD
 
-## [0.1.1-alpha1] - 2021-06-21
+## [0.1.1-alpha2] - 2021-06-21
 ### Fixed
 - Composer complaining about locally modified dependencies in pristine environment on initial build (#6).
 
-## [0.1.1-alpha2] - 2021-06-10
+## [0.1.1-alpha1] - 2021-06-10
 ### Added
 - PHPStorm configuration for PHPCS and Psalm via Docker (#3).