refactor: consumer 트랜잭션 설정

Author: Kimjipang

apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/KafkaOutboxConsumer.java

@@ -12,6 +12,7 @@
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.kafka.support.Acknowledgment;
 import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 
@@ -25,6 +26,7 @@ public class KafkaOutboxConsumer {
             topics = {"product-viewed"},
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
+    @Transactional
     public void demoListener(
             List<ConsumerRecord<String, String>> messages,
             Acknowledgment acknowledgment