export metrics every minute instead of every 3 seconds by default

internal/otel/otel.go

@@ -126,7 +126,7 @@ func newMeterProvider(ctx context.Context, res *resource.Resource) (*metric.Mete
 		metric.WithReader(
 			metric.NewPeriodicReader(metricExporter,
 				// Default is 1m. Set to 3s for demonstrative purposes.
-				metric.WithInterval(3*time.Second))),
+				metric.WithInterval(1*time.Minute))),
 		metric.WithResource(res),
 	)
 	return meterProvider, nil