BUG: fix to_datetime with np.datetime64[ps] giving wrong conversion
- [x] closes #60341 (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
- [ ] Added [type annotations](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#type-hints) to new arguments/methods/functions.
- [x] Added an entry in the latest `doc/source/whatsnew/vX.X.X.rst` file if fixing a bug or adding a new feature.

Nice catch! Can you add a whatsnew note for this to our v3.0.0 documentation? > Nice catch! Can you add a whatsnew note for this to our v3.0.0 documentation?

Sure. I've added a note. Awesome work - thanks @yuanx749 