fix: also clear the quick site-information transient on reset

The reset_site_information feature only deleted the 24-hour slow
transient, leaving the 60-second quick transient intact. A page load on
the licence/dashboard/plugins page after a reset would read the stale
quick transient and re-populate the slow one with stale data, making
the reset ineffective.

Now both transients are cleared, matching what
WPSEO_Addon_Manager::remove_site_information_transients() does in
production.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: vraja-pro

src/wordpress-plugins/yoast-seo.php

@@ -212,6 +212,7 @@ private function reset_notifications() {
 	 * @return bool True if successful, false otherwise.
 	 */
 	private function reset_site_information() {
+		\delete_transient( 'wpseo_site_information_quick' );
 		return \delete_transient( 'wpseo_site_information' );
 	}