chore(config): fix typo in config.sample.php comments

Signed-off-by: Benjamin Gaussorgues <benjamin.gaussorgues@nextcloud.com>

Author: Altahrim

config/config.sample.php

@@ -2037,7 +2037,7 @@
 
 /**
  * PostgreSQL SSL connection
-*/
+ */
 'pgsql_ssl' => [
 	'mode' => '',
 	'cert' => '',