Prepare release

Author: sebastianbergmann

ChangeLog-13.0.md

@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 13.0 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [13.0.6] - 2026-MM-DD
+## [13.0.6] - 2026-03-31
 
 ### Changed
 
@@ -81,7 +81,7 @@ All notable changes of the PHPUnit 13.0 release series are documented in this fi
 * [#6285](https://github.com/sebastianbergmann/phpunit/issues/6285): `#[RunClassInSeparateProcess]` attribute
 * [#6356](https://github.com/sebastianbergmann/phpunit/issues/6356): Support for version constraint string argument without explicit version comparison operator
 
-[13.0.6]: https://github.com/sebastianbergmann/phpunit/compare/13.0.5...13.0
+[13.0.6]: https://github.com/sebastianbergmann/phpunit/compare/13.0.5...13.0.6
 [13.0.5]: https://github.com/sebastianbergmann/phpunit/compare/13.0.4...13.0.5
 [13.0.4]: https://github.com/sebastianbergmann/phpunit/compare/13.0.3...13.0.4
 [13.0.3]: https://github.com/sebastianbergmann/phpunit/compare/13.0.2...13.0.3

src/Runner/Version.php

@@ -35,7 +35,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = new VersionId('13.0.5', dirname(__DIR__, 2))->asString();
+            self::$version = new VersionId('13.0.6', dirname(__DIR__, 2))->asString();
         }
 
         return self::$version;