index.js

wp.hooks.addFilter(
    'i18n.gettext',
    'myplugin/filter-gettext',
    function( translation, text, domain ) {
        if ( 'Your Giving Stats' === text && 'give' === domain ) {
          return 'YOUR TEST HERE'
        }
        return translation;
    }
);

index.php

<?php

/**
 * Plugin Name: GiveWP Donor Dashboard Custom Translations
 */

add_action( 'give_embed_head', function() {
    wp_enqueue_script('my-i18n', plugin_dir_url(__FILE__) . 'index.js' );
} );