fix(libgpsrelaysentinel): 修复LocationPoint无法通过Intent传递的编译错误

LocationPoint类实现Serializable接口，解决
GpsSubscribeReceiverService中使用putExtra()传递对象时的类型不匹配问题。

gpsrelaysentinel/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Thu May 07 02:57:52 CST 2026
+#Thu May 07 10:59:47 CST 2026
 stageCount=27
 libraryProject=
 baseVersion=15.11
 publishVersion=15.11.26
-buildCount=30
+buildCount=31
 baseBetaVersion=15.11.27

libgpsrelaysentinel/src/main/java/cc/winboll/studio/libgpsrelaysentinel/model/LocationPoint.java

@@ -1,12 +1,16 @@
 package cc.winboll.studio.libgpsrelaysentinel.model;
 
+import java.io.Serializable;
+
 /**
  * @Author 豆包&ZhanGSKen<zhangsken@qq.com>
  * @Date 2026/05/07 10:23
  * 订阅者基准定点坐标
  * 每次推送成功自动更新
  */
-public final class LocationPoint {
+public final class LocationPoint implements Serializable {
+
+    private static final long serialVersionUID = 1L;
 
     private final double latitude;
     private final double longitude;