Update ChangeLog

Author: sebastianbergmann

ChangeLog-12.3.md

@@ -24,4 +24,4 @@ All notable changes of the PHPUnit 12.3 release series are documented in this fi
 * [#6229](https://github.com/sebastianbergmann/phpunit/issues/6229): `Configuration::excludeTestSuite()`, use `Configuration::excludeTestSuites()` instead
 * [#6246](https://github.com/sebastianbergmann/phpunit/issues/6246): Using `#[CoversNothing]` on a test method
 
-[12.3.0]: https://github.com/sebastianbergmann/phpunit/compare/12.2...main
+[12.3.0]: https://github.com/sebastianbergmann/phpunit/compare/12.2.9...12.3