Prepare release

Author: sebastianbergmann

ChangeLog-9.6.md

@@ -2,6 +2,12 @@
 
 All notable changes of the PHPUnit 9.6 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
+## [9.6.15] - 2023-12-01
+
+### Fixed
+
+* [#5596](https://github.com/sebastianbergmann/phpunit/issues/5596): `PHPUnit\Framework\TestCase` has `@internal` annotation in PHAR
+
 ## [9.6.14] - 2023-12-01
 
 ### Added
@@ -101,6 +107,7 @@ All notable changes of the PHPUnit 9.6 release series are documented in this fil
 * [#5064](https://github.com/sebastianbergmann/phpunit/issues/5064): Deprecate `PHPUnit\Framework\TestCase::getMockClass()`
 * [#5132](https://github.com/sebastianbergmann/phpunit/issues/5132): Deprecate `Test` suffix for abstract test case classes
 
+[9.6.15]: https://github.com/sebastianbergmann/phpunit/compare/9.6.14...9.6.15
 [9.6.14]: https://github.com/sebastianbergmann/phpunit/compare/9.6.13...9.6.14
 [9.6.13]: https://github.com/sebastianbergmann/phpunit/compare/9.6.12...9.6.13
 [9.6.12]: https://github.com/sebastianbergmann/phpunit/compare/9.6.11...9.6.12

src/Runner/Version.php

@@ -41,7 +41,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = (new VersionId('9.6.14', dirname(__DIR__, 2)))->getVersion();
+            self::$version = (new VersionId('9.6.15', dirname(__DIR__, 2)))->getVersion();
         }
 
         return self::$version;