Update PostgreSQL host configuration

Change PostgreSQL host from 'localhost' to '127.0.0.1'.
Postgres accept localhost only for socket connections,
Only 127.0.01 can be configured for `md5` or `Ident` connections

Signed-off-by: arhimede <julian@dotkernel.com>

Author: arhimede

config/autoload/local.php.dist

@@ -16,7 +16,7 @@ $databases = [
         'table_prefix' => '',
     ],
     'postgresql' => [
-        'host'         => 'localhost',
+        'host'         => '127.0.0.1',
         'dbname'       => 'dotkernel',
         'user'         => '',
         'password'     => '',