Update CHANGELOG.md

CHANGELOG.md

@@ -19,6 +19,18 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Security
 
+## [2.0.4] - 22 Oct 2021
+
+changed: PHP 7.4/8.0 compatibility https://github.com/OXIDprojects/captcha-module/issues/7
+
+## [2.0.3] - 10 Dec 2020
+
+changed: insert Captcha also in the forgotten password form and newsletter subscription
+
+## [2.0.2] - 10 Jan 2020
+
+changed: moved code to its own template file and changed markup to match flow …
+
 ## [2.0.1] - 2017-12-07
 
 ### Added