Prepare release

Author: sebastianbergmann

ChangeLog-9.0.md

@@ -2,7 +2,7 @@
 
 All notable changes of the PHPUnit 9.0 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
-## [9.0.1] - 2020-02-DD
+## [9.0.1] - 2020-02-13
 
 ### Fixed
 
@@ -39,6 +39,6 @@ All notable changes of the PHPUnit 9.0 release series are documented in this fil
 * Implemented [#3957](https://github.com/sebastianbergmann/phpunit/issues/3957): Remove `expectExceptionMessageRegExp()`
 * Implemented [#4012](https://github.com/sebastianbergmann/phpunit/issues/4012): Remove class name as CLI argument
 
-[9.0.1]: https://github.com/sebastianbergmann/phpunit/compare/9.0.0...9.0
+[9.0.1]: https://github.com/sebastianbergmann/phpunit/compare/9.0.0...9.0.1
 [9.0.0]: https://github.com/sebastianbergmann/phpunit/compare/8.5.2...master
 

src/Runner/Version.php

@@ -33,7 +33,7 @@ public static function id(): string
         }
 
         if (self::$version === '') {
-            self::$version = (new VersionId('9.0.0', \dirname(__DIR__, 2)))->getVersion();
+            self::$version = (new VersionId('9.0.1', \dirname(__DIR__, 2)))->getVersion();
         }
 
         return self::$version;