[RELEASE] Release version 1.3.11

Fixes randomly occurring
`The field "xxx" is missing the required "type" in Content Block`
error.

Author: nhovratov

ext_emconf.php

@@ -8,7 +8,7 @@
     'author_email' => '[email protected]',
     'author_company' => '',
     'state' => 'stable',
-    'version' => '1.3.10',
+    'version' => '1.3.11',
     'constraints' => [
         'depends' => [
             'typo3' => '13.4.5-13.4.99',