[FEATURE]用户反馈Excel数据源，需要有更新Excel的功能

**SQLBot version**
1.6.0
**Please describe your requirements or suggestions for improvement**
用户反馈Excel数据源，需要有更新Excel的功能

<img width="1082" height="669" alt="Image" src="https://github.com/user-attachments/assets/4dbb1b6d-6a8a-4f7e-a69a-a241bbf56709" />

<img width="2541" height="842" alt="Image" src="https://github.com/user-attachments/assets/687bed6b-660c-4565-85cc-6d808ed02835" />
