Update ChangeLog

Author: sebastianbergmann

ChangeLog-9.4.md

@@ -7,6 +7,7 @@ All notable changes of the PHPUnit 9.4 release series are documented in this fil
 ### Fixed
 
 * [#4446](https://github.com/sebastianbergmann/phpunit/pull/4446): The `--no-logging` and `--no-coverage` do not only affect XML configuration settings
+* [#4499](https://github.com/sebastianbergmann/phpunit/pull/4499): Restore support for case-insensitive namespaced class names when invoking the test runner with the test case file name
 
 ## [9.4.2] - 2020-10-19