feat: bump webvitals to 5.0.3

Author: logaretm

packages/browser-utils/src/metrics/web-vitals/README.md

@@ -2,10 +2,10 @@
 
 > A modular library for measuring the [Web Vitals](https://web.dev/vitals/) metrics on real users.
 
-This was vendored from: https://github.com/GoogleChrome/web-vitals: v5.0.2
+This was vendored from: https://github.com/GoogleChrome/web-vitals: v5.0.3
 
 The commit SHA used is:
-[463abbd425cda01ed65e0b5d18be9f559fe446cb](https://github.com/GoogleChrome/web-vitals/tree/463abbd425cda01ed65e0b5d18be9f559fe446cb)
+[e22d23b22c1440e69c5fc25a2f373b1a425cc940](https://github.com/GoogleChrome/web-vitals/tree/e22d23b22c1440e69c5fc25a2f373b1a425cc940)
 
 Current vendored web vitals are:
 

packages/browser-utils/src/metrics/web-vitals/lib/whenIdleOrHidden.ts

@@ -32,7 +32,12 @@ export const whenIdleOrHidden = (cb: () => void) => {
   } else {
     // eslint-disable-next-line no-param-reassign
     cb = runOnce(cb);
-    rIC(cb);
+    rIC(() => {
+      cb();
+      // Remove the above event listener since no longer required.
+      // See: https://github.com/GoogleChrome/web-vitals/issues/622
+      WINDOW.document?.removeEventListener('visibilitychange', cb);
+    });
     // sentry: we use onHidden instead of directly listening to visibilitychange
     // because some browsers we still support (Safari <14.4) don't fully support
     // `visibilitychange` or have known bugs w.r.t the `visibilitychange` event.