chore: Update Sentry Performance Sampling utils.js (#11805)

## **Description**

This PR reduces the sampling rate by 50% Sentry Performance. We are
currently using too much of our allocation.

## **Related issues**

Fixes:

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app/util/sentry/utils.js

@@ -503,7 +503,7 @@ export function setupSentry() {
             ]
           : integrations,
       // Set tracesSampleRate to 1.0, as that ensures that every transaction will be sent to Sentry for development builds.
-      tracesSampleRate: __DEV__ ? 1.0 : 0.08,
+      tracesSampleRate: __DEV__ ? 1.0 : 0.04,
       beforeSend: (report) => rewriteReport(report),
       beforeBreadcrumb: (breadcrumb) => rewriteBreadcrumb(breadcrumb),
       beforeSendTransaction: (event) => excludeEvents(event),