fix:TDDateTimePicker日期时分秒的英文配置改为缩写

[jflin19990707]

🤔 这个 PR 的性质是？

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1.只要有新增参数，就勾选”新特性提交“
2.只修改内部bug，未新增参数，才勾选”日常 bug 修复“
3.其他选项视具体改动判断

• 日常 bug 修复
• 新特性提交
• 文档改进
• 演示代码改进
• 组件样式/交互改进
• CI/CD 改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他

🔗 相关 Issue

#753

💡 需求背景和解决方案

📝 更新日志

• fix(TDDateTimePicker): 日期时分秒的英文配置改为缩写

• 本条 PR 不需要纳入 Changelog

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• ”相关issue“处带上修复的issue链接
• 相关文档已补充或无须补充

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