Prepare release

Author: sebastianbergmann

ChangeLog-8.4.md

@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 8.4 release series are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
-## [8.4.2] - 2019-MM-DD
+## [8.4.2] - 2019-10-28
 
 ### Fixed
 
@@ -31,7 +31,7 @@ All notable changes of the PHPUnit 8.4 release series are documented in this fil
 
 * The method `expectExceptionMessageRegExp()` is now deprecated. There is no behavioral change in this version of PHPUnit. Using this method will trigger a deprecation warning in PHPUnit 9 and in PHPUnit 10 it will be removed. Please use `expectExceptionMessageMatches()` instead.
 
-[8.4.2]: https://github.com/sebastianbergmann/phpunit/compare/8.4.1...8.4
+[8.4.2]: https://github.com/sebastianbergmann/phpunit/compare/8.4.1...8.4.2
 [8.4.1]: https://github.com/sebastianbergmann/phpunit/compare/8.4.0...8.4.1
 [8.4.0]: https://github.com/sebastianbergmann/phpunit/compare/8.3.5...8.4.0
 

src/Runner/Version.php

@@ -33,7 +33,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = (new VersionId('8.4.1', \dirname(__DIR__, 2)))->getVersion();
+            self::$version = (new VersionId('8.4.2', \dirname(__DIR__, 2)))->getVersion();
         }
 
         return self::$version;