patch the version file to allow upgrading from owncloud > v10.13

Some customers already migrated from 10.15.3 and needed to edit the version.php file before the migration. 10.16 was recently published and it seems migration from there also works fine.

Signed-off-by: Sebastian Möbus <sebastian@nextcloud.com>

Author: binford6000

version.php

@@ -43,6 +43,9 @@
 	],
 	'owncloud' => [
 		'10.13' => true,
+		'10.14' => true,
+		'10.15' => true,
+    	'10.16' => true,
 	],
 ];