[TASK] Set TYPO3 version to 8.4.1-dev

Change-Id: Ifaf30391b7811f75ad1d581dfa47c37b81a013c8
Reviewed-on: https://review.typo3.org/50261


Reviewed-by: TYPO3 Release Team <typo3cms@typo3.org>
Tested-by: TYPO3 Release Team <typo3cms@typo3.org>

typo3/sysext/core/Classes/Core/SystemEnvironmentBuilder.php

@@ -85,7 +85,7 @@ class SystemEnvironmentBuilder
     protected static function defineBaseConstants()
     {
         // This version, branch and copyright
-        define('TYPO3_version', '8.4.0');
+        define('TYPO3_version', '8.4.1-dev');
         define('TYPO3_branch', '8.4');
         define('TYPO3_copyright_year', '1998-2016');