Prepare release

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/12.2.9...12.3
+[12.3.0]: https://github.com/sebastianbergmann/phpunit/compare/12.2.9...12.3.0

src/Runner/Version.php

@@ -35,7 +35,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = (new VersionId('12.3', dirname(__DIR__, 2)))->asString();
+            self::$version = (new VersionId('12.3.0', dirname(__DIR__, 2)))->asString();
         }
 
         return self::$version;