add changelog for php 8.0 drop, add notification for supporting PHP v…

…ersions

CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Removed
+
+- PHP 8.0 support
 
 ## [4.4.0] - 2024-01-24
 

README.md

@@ -39,7 +39,9 @@ The documentation is available at http://moneyphp.org
 This library requires the [BCMath PHP extension](https://www.php.net/manual/en/book.bc.php). There might be additional dependencies for specific feature, e.g. the
 Swap exchange implementation, check the documentation for more information.
 
-Version 4 requires PHP 8.0. For older version of PHP, use version 3 of this library.
+Version 4 requires PHP 8.0. For older version of PHP, use version 3 of this library. From version 4.5 this package
+will only support [PHP versions that actually receive updates by PHP itself](https://www.php.net/supported-versions.php).
+If you want to use the package with older PHP versions, you can of course use older versions of this package.
 
 
 ## Install