[TASK] Release version 4.0.0

Author: fsuter

README.rst

@@ -7,7 +7,7 @@ flushing only the language cache (``l10n``). This way you can avoid flushing the
 whole system cache when updating just a couple of localized strings (in locallang
 files).
 
-This extension requires TYPO3 CMS 9 or more.
+This extension requires TYPO3 CMS 11 or more.
 
 Just install it and flush the system cache. Reload the backend and the new
 item will appear in the flush cache menu.

ext_emconf.php

@@ -15,7 +15,7 @@
         'author' => 'Francois Suter',
         'author_email' => '[email protected]',
         'author_company' => '',
-        'version' => '3.0.2',
+        'version' => '4.0.0',
         'constraints' => [
                 'depends' => [
                         'typo3' => '11.5.0-12.9.99',