Changed the plugin name from Yoast SEO Multilingual to WPML SEO

WPML changed the plugin name to WPML SEO

Reference: https://wpml.org/documentation/related-projects/wpml-seo/

src/integrations/third-party/wpml-wpseo-notification.php

@@ -107,7 +107,7 @@ protected function get_notification() {
 		return new Yoast_Notification(
 			\sprintf(
 				/* translators: %1$s expands to an opening anchor tag, %2$s expands to an closing anchor tag. */
-				\__( 'We notice that you have installed WPML. To make sure your canonical URLs are set correctly, %1$sinstall and activate the Yoast SEO Multilingual add-on%2$s as well!', 'wordpress-seo' ),
+				\__( 'We notice that you have installed WPML. To make sure your canonical URLs are set correctly, %1$sinstall and activate the WPML SEO add-on%2$s as well!', 'wordpress-seo' ),
 				'<a href="' . \esc_url( $this->short_link_helper->get( 'https://yoa.st/wpml-yoast-seo' ) ) . '" target="_blank">',
 				'</a>'
 			),