Prepare release

Author: sebastianbergmann

ChangeLog-6.5.md

@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 6.5 release series are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
-## [6.5.13] - 2018-MM-DD
+## [6.5.13] - 2018-09-08
 
 * Fixed [#3181](https://github.com/sebastianbergmann/phpunit/issues/3181): `--filter` should be case-insensitive
 * Fixed [#3234](https://github.com/sebastianbergmann/phpunit/issues/3234): `assertArraySubset()` with `$strict=true` does not display differences properly

src/Runner/Version.php

@@ -32,7 +32,7 @@ public static function id()
         }
 
         if (self::$version === null) {
-            $version       = new VersionId('6.5.12', \dirname(\dirname(__DIR__)));
+            $version       = new VersionId('6.5.13', \dirname(\dirname(__DIR__)));
             self::$version = $version->getVersion();
         }