Update ChangeLog

Author: sebastianbergmann

ChangeLog-11.5.md

@@ -12,6 +12,7 @@ All notable changes of the PHPUnit 11.5 release series are documented in this fi
 
 * [#6094](https://github.com/sebastianbergmann/phpunit/issues/6094): Errors in after-last-test methods are not reported
 * [#6095](https://github.com/sebastianbergmann/phpunit/issues/6095): Expectation is not counted correctly when a doubled method is called more often than is expected
+* [#6096](https://github.com/sebastianbergmann/phpunit/issues/6096): `--list-tests-xml` is broken when a group with a numeric name is defined
 * [#6098](https://github.com/sebastianbergmann/phpunit/issues/6098): No `system-out` element in JUnit XML logfile
 
 ## [11.5.2] - 2024-12-21