Update ChangeLog

Author: sebastianbergmann

ChangeLog-12.5.md

@@ -10,6 +10,7 @@ All notable changes of the PHPUnit 12.5 release series are documented in this fi
 
 ### Changed
 
+* [#6380](https://github.com/sebastianbergmann/phpunit/pull/6380): Allow `Throwable` in `expectExceptionObject()`
 * A PHPUnit notice is now emitted for test methods that create a mock object but do not configure an expectation for it
 
 [12.5.0]: https://github.com/sebastianbergmann/phpunit/compare/12.4...main