yourplugin.php

<?php
/**
 * You may localized strings in your plugin
 *
 * @package    local_yourplugin
 * @copyright 2024 Artem Baranovskyi
 * @license    http://www.gnu.org/copyleft/gpl.html gnu gpl v3 or later
 */

$string['pluginname'] = 'New local plugin';