Prepare release

Author: sebastianbergmann

ChangeLog-8.5.md

@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 8.5 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [8.5.20] - 2021-MM-DD
+## [8.5.20] - 2021-08-31
 
 ### Fixed
 
@@ -167,7 +167,7 @@ All notable changes of the PHPUnit 8.5 release series are documented in this fil
 * [#3967](https://github.com/sebastianbergmann/phpunit/issues/3967): Cannot double interface that extends interface that extends `\Throwable`
 * [#3968](https://github.com/sebastianbergmann/phpunit/pull/3968): Test class run in a separate PHP process are passing when `exit` called inside
 
-[8.5.20]: https://github.com/sebastianbergmann/phpunit/compare/8.5.19...8.5
+[8.5.20]: https://github.com/sebastianbergmann/phpunit/compare/8.5.19...8.5.20
 [8.5.19]: https://github.com/sebastianbergmann/phpunit/compare/8.5.18...8.5.19
 [8.5.18]: https://github.com/sebastianbergmann/phpunit/compare/8.5.17...8.5.18
 [8.5.17]: https://github.com/sebastianbergmann/phpunit/compare/8.5.16...8.5.17

src/Runner/Version.php

@@ -38,7 +38,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = (new VersionId('8.5.19', dirname(__DIR__, 2)))->getVersion();
+            self::$version = (new VersionId('8.5.20', dirname(__DIR__, 2)))->getVersion();
         }
 
         return self::$version;