refactor(approve): 将开始和结束时间字段改为LocalDateTime类型并更新格式

buhuazhen

2026-04-10 1273fd597cbf2fbb710ec32f2cbd5fe00b156d6c

 src/main/java/com/ruoyi/collaborativeApproval/dto/NoticeDTO.java

@@ -8,4 +8,6 @@
    private String CreateUserName;

    private Long count;

    private String statusName;
}