magento-test/app/code/Magento/Checkout/view/frontend/templates/messages/addCartSuccessMessage.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

/** @var \Magento\Framework\View\Element\Template $block */
?>

<?= $block->escapeHtml(__(
    'You added %1 to your <a href="%2">shopping cart</a>.',
    $block->getData('product_name'),
    $block->getData('cart_url')
), ['a']);