[skip ci] adjust sample rate for env

deploy/values/review/values.yaml.gotmpl

@@ -74,7 +74,6 @@ frontend:
     OTEL_SDK_ENABLED: true
     OTEL_EXPORTER_OTLP_ENDPOINT: http://jaeger-collector.jaeger.svc.cluster.local:4318
     NEXT_OTEL_VERBOSE: 1
-    NEXT_PUBLIC_SENTRY_ENABLE_TRACING: true
   envFromSecret:
     NEXT_PUBLIC_SENTRY_DSN: ref+vault://deployment-values/blockscout/dev/review?token_env=VAULT_TOKEN&address=https://vault.k8s.blockscout.com#/NEXT_PUBLIC_SENTRY_DSN
     SENTRY_CSP_REPORT_URI: ref+vault://deployment-values/blockscout/dev/review?token_env=VAULT_TOKEN&address=https://vault.k8s.blockscout.com#/SENTRY_CSP_REPORT_URI

lib/sentry/config.ts

@@ -11,12 +11,13 @@ export const config: Sentry.BrowserOptions | undefined = (() => {
   }
 
   const tracesSampleRate: number | undefined = (() => {
-    if (feature.environment === 'staging' || feature.environment === 'development') {
-      return 1;
-    }
-
-    if (feature.environment === 'production') {
-      return 0.2;
+    switch (feature.environment) {
+      case 'development':
+        return 1;
+      case 'staging':
+        return 0.75;
+      case 'production':
+        return 0.2;
     }
   })();