Adiciona permission_callback às rotas de API

public/class-cf7-states-cities-public.php

@@ -78,11 +78,13 @@ class Cf7_States_Cities_Public {
 		register_rest_route( self::REST_NAMESPACE, '/states', array(
 			'methods' => 'GET',
 			'callback' => array( $this, 'get_states' ),
+			'permission_callback' => '__return_true',
 		) );
 
 		register_rest_route( self::REST_NAMESPACE, '/cities', array(
 			'methods' => 'GET',
 			'callback' => array( $this, 'get_cities' ),
+			'permission_callback' => '__return_true',
 		) );
 
 	}