Fix memory leak in registering new event listeners on ever keydown an…

…d click (#554)

src/onLCP.ts

@@ -104,7 +104,10 @@ export const onLCP = (
         // Wrap in a setTimeout so the callback is run in a separate task
         // to avoid extending the keyboard/click handler to reduce INP impact
         // https://github.com/GoogleChrome/web-vitals/issues/383
-        addEventListener(type, () => whenIdle(stopListening), true);
+        addEventListener(type, () => whenIdle(stopListening), {
+          once: true,
+          capture: true,
+        });
       });
 
       onHidden(stopListening);