perf(basic): 调整价格缓存过期时间为 10 分钟

- 将 PriceCacheService 类中的 CACHE_DURATION常量值从 5 分钟修改为 10 分钟
- 此修改旨在减少缓存刷新频率，提高系统性能

src/main/java/com/ycwl/basic/service/PriceCacheService.java

@@ -30,7 +30,7 @@ public class PriceCacheService {
     private static final String CACHE_PREFIX = "pricing:cache:";
     
     // 缓存过期时间：5分钟
-    private static final Duration CACHE_DURATION = Duration.ofMinutes(5);
+    private static final Duration CACHE_DURATION = Duration.ofMinutes(10);
     
     /**
      * 生成缓存键