Prepare release

Author: sebastianbergmann

ChangeLog-12.5.md

@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 12.5 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [12.5.15] - 2026-MM-DD
+## [12.5.15] - 2026-03-31
 
 ### Changed
 
@@ -135,7 +135,7 @@ All notable changes of the PHPUnit 12.5 release series are documented in this fi
 * [#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
 
-[12.5.15]: https://github.com/sebastianbergmann/phpunit/compare/12.5.14...12.5
+[12.5.15]: https://github.com/sebastianbergmann/phpunit/compare/12.5.14...12.5.15
 [12.5.14]: https://github.com/sebastianbergmann/phpunit/compare/12.5.13...12.5.14
 [12.5.13]: https://github.com/sebastianbergmann/phpunit/compare/12.5.12...12.5.13
 [12.5.12]: https://github.com/sebastianbergmann/phpunit/compare/12.5.11...12.5.12

src/Runner/Version.php

@@ -35,7 +35,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = (new VersionId('12.5.14', dirname(__DIR__, 2)))->asString();
+            self::$version = (new VersionId('12.5.15', dirname(__DIR__, 2)))->asString();
         }
 
         return self::$version;