refactor(pigx-common-sentinel): 添加hutool-extra依赖

- 新增hutool-extra工具库依赖以增强sentinel模块功能

pigx-common/pigx-common-sentinel/pom.xml

@@ -17,6 +17,10 @@
             <groupId>com.pig4cloud</groupId>
             <artifactId>pigx-common-core</artifactId>
         </dependency>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-extra</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.alibaba.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>