refactor(sentry): Teach sentry to do less in production (#1018)

native/app/index.js

@@ -9,15 +9,12 @@ const routingInstrumentation = new Sentry.ReactNavigationInstrumentation({
 Sentry.init({
   dsn: "https://7db2c06ee6ea56cae40a5bd963bad76b:7d7182201a659982c7b30a4512d4ad7a@o4506899216728065.ingest.us.sentry.io/4506899221970944",
 
-  // Set tracesSampleRate to 1.0 to capture 100%
-  // of transactions for performance monitoring.
-  // We recommend adjusting this value in production
-  tracesSampleRate: 1.0,
+  // Capture 100% of transactions in development, and 10% in production
+  tracesSampleRate: process.env.NODE_ENV === "development" ? 1.0 : 0.1,
   enabled: process.env.NODE_ENV !== "development",
   integrations: [new Sentry.ReactNativeTracing({ routingInstrumentation })],
   _experiments: {
     // profilesSampleRate is relative to tracesSampleRate.
-    // Here, we'll capture profiles for 100% of transactions.
     profilesSampleRate: 1.0,
   },
 });