feat: update AKU specifications

Author: Gezi-lzq

internal/provider/resource_instance.go

@@ -100,7 +100,7 @@ func (r *KafkaInstanceResource) Schema(ctx context.Context, req resource.SchemaR
 						Required:    true,
 						Description: "AutoMQ defines AKU (AutoMQ Kafka Unit) to measure the scale of the cluster. Each AKU provides 20 MiB/s of read/write throughput. For more details on AKU, please refer to the [documentation](https://docs.automq.com/automq-cloud/subscriptions-and-billings/byoc-env-billings/billing-instructions-for-byoc#indicator-constraints). The currently supported AKU specifications are 6, 8, 10, 12, 14, 16, 18, 20, 22, and 24. If an invalid AKU value is set, the instance cannot be created.",
 						Validators: []validator.Int64{
-							int64validator.Between(3, 24),
+							int64validator.Between(3, 500),
 						},
 					},
 					"networks": schema.ListNestedAttribute{