fix: 보안 위험으로 설정 변경(코드레빗 리뷰 반영)

Author: yeonjiyeon

apps/commerce-api/src/main/java/com/loopers/config/redis/RedisConfig.java

@@ -33,7 +33,8 @@ public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connec
 
     objectMapper.activateDefaultTyping(
         BasicPolymorphicTypeValidator.builder()
-            .allowIfBaseType(Object.class)
+            .allowIfBaseType("com.loopers")
+            .allowIfBaseType("java.util")
             .build(),
         ObjectMapper.DefaultTyping.EVERYTHING
     );