fix(sales): 统一调整日期序列化时区为GMT+8

zss

2026-08-19 a8f6033a0577f536c2c2489262aba8fdbbff3aa4

 src/main/java/com/ruoyi/approve/service/ApprovalInstanceService.java

@@ -28,4 +28,6 @@
    Boolean delete(List<Long> ids);

    R approve(ApprovalInstanceDto approvalInstanceDto);

    R autoApprove(Long instanceId);
}