sync：StringRedisTemplate注入

ruoyi-server/ruoyi-server-sync/src/main/java/org/dromara/server/sync/business/user/SyncUserBusiness.java

@@ -71,7 +71,7 @@ public class SyncUserBusiness {
     private final IUserService userService;
     private final IPostService postService;
 
-    public StringRedisTemplate redisTemplate;
+    public final StringRedisTemplate redisTemplate;
 
     /**
      * 单个人员同步处理