Don't use deprecated keyCode

src/action-handler-directive.ts

@@ -142,10 +142,9 @@ class ActionHandler extends HTMLElement implements ActionHandler {
     };
 
     const handleEnter = (ev: KeyboardEvent): void => {
-      if (ev.keyCode !== 13) {
-        return;
-      }
+      if (ev.key === 'Enter') {
         end(ev);
+      }
     };
 
     element.addEventListener('touchstart', start, { passive: true });