Remove deprecations

Author: dereuromark

src/Controller/CaptchaController.php

@@ -30,9 +30,9 @@ public function initialize(): void {
 
 	/**
 	 * @param \Cake\Event\EventInterface $event
-	 * @return \Cake\Http\Response|null|void
+	 * @return void
 	 */
-	public function beforeFilter(EventInterface $event) {
+	public function beforeFilter(EventInterface $event): void {
 		if ($this->components()->has('Security')) {
 			$this->components()->get('Security')->setConfig('validatePost', false);
 		}

src/Controller/Component/CaptchaComponent.php

@@ -26,7 +26,7 @@ class CaptchaComponent extends Component {
 	 *
 	 * @return void
 	 */
-	public function beforeFilter(EventInterface $event) {
+	public function beforeFilter(EventInterface $event): void {
 		$actions = $this->getConfig('actions');
 		if ($actions && !in_array($this->getController()->getRequest()->getParam('action'), $actions, true)) {
 			return;