Alter routes options and requirements

JwtRouteSubscriber.php

<?php

namespace Drupal\my_module\Routing;

use Drupal\Core\Routing\RouteSubscriberBase;
use Symfony\Component\Routing\RouteCollection;

/**
 * Listens to the dynamic route events.
 */
class JwtRouteSubscriber extends RouteSubscriberBase {

  /**
   * Alters existing routes for a specific collection.
   *
   * @param \Symfony\Component\Routing\RouteCollection $collection
   *   The route collection for adding routes.
   */
  public function alterRoutes(RouteCollection $collection) {

    $urls = [
      'view.xxx.rest_artworks',      
      'view.uuu.rest_export_actives',
    ];

    foreach ($urls as $url) {
      // Load the route, set authentication and add it again.
      $route = $collection->get($url);
      $route->setOption('_auth', ['jwt_auth', 'basic_auth', 'cookie']);
      $route->setRequirement('_access', 'TRUE');
      $collection->add($url, $route);
    }
  }

}

my_module.services.yml

services:
  my_module.route_subscriber:
    class: Drupal\my_module\Routing\JwtRouteSubscriber
    tags:
      - { name: event_subscriber }