DOC: added see also for series.dt.round in series.round
- [x] closes #60181 
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).

<img width="1424" alt="Screenshot 2024-11-04 at 23 12 00" src="https://github.com/user-attachments/assets/7b7d2aa6-5ffe-4be8-96d1-697cfe51945e">


Thanks @Swati-Sneha 