update 优化 删除业务ID的方法，支持字符串类型的业务ID

ruoyi-api/ruoyi-api-workflow/src/main/java/org/dromara/workflow/api/RemoteWorkflowService.java

@@ -21,7 +21,7 @@ public interface RemoteWorkflowService {
      * @param businessIds 业务id
      * @return 结果
      */
-    boolean deleteInstance(List<Long> businessIds);
+    boolean deleteInstance(List<String> businessIds);
 
     /**
      * 获取当前流程状态

ruoyi-api/ruoyi-api-workflow/src/main/java/org/dromara/workflow/api/RemoteWorkflowServiceMock.java

@@ -17,7 +17,7 @@ import java.util.Map;
 public class RemoteWorkflowServiceMock implements RemoteWorkflowService {
 
     @Override
-    public boolean deleteInstance(List<Long> businessIds) {
+    public boolean deleteInstance(List<String> businessIds) {
         log.warn("服务调用异常 -> 降级处理");
         return false;
     }