ot_typo3/ot_core/Configuration/RequestMiddlewares.php

<?php

use Opentalent\OtCore\Middleware\Frontend\OtSitemapProvider;
use Opentalent\OtCore\Middleware\Frontend\OtSiteResolver;

/**
 * Register middlewares, which will be triggered at each request
 */
return [
    'frontend' => [
        'opentalent/frontend/site' => [
            'target' => OtSiteResolver::class,
            'before' => [
                'typo3/cms-frontend/page-resolver'
            ]
        ],
        'opentalent/frontend/sitemap' => [
            'target' => OtSitemapProvider::class,
            'after' => [
                'opentalent/frontend/site'
            ],
            'before' => [
                'typo3/cms-frontend/page-resolver'
            ]
        ],
    ],
];