feat: dynamic mux time

config/constants.php

@@ -5,6 +5,7 @@ return [
         'contact' => 'https://coolify.io/docs/contact',
     ],
     'ssh' => [
+        'mux_persist_time' => env('SSH_MUX_PERSIST_TIME', "1m"),
         'connection_timeout' => 10,
         'server_interval' => 20,
         'command_timeout' => 7200,