json timezone 수정

src/main/java/com/palnet/biz/config/JsonConfig.java

@@ -32,7 +32,7 @@ public class JsonConfig {
     @Primary
     public Jackson2ObjectMapperBuilderCustomizer jsonCustomizer() {
         return builder -> {
-            builder.timeZone(TimeZone.getTimeZone("UTC"));
+            builder.timeZone(TimeZone.getTimeZone("Asia/Seoul"));
 
             builder.simpleDateFormat(dateTimeFormat);
             builder.serializers(new LocalTimeSerializer(DateTimeFormatter.ofPattern(timeFormat)));