API: Add various deprecated attributes to ._deprecated
- [x] xref #28772
- [x] tests added / passed
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [x] whatsnew entry

This add various deprecated attributes to their respective types' ``_deprecated``. The effect is that these are now also hidden when tab-completing, making navigating the pandas attributes easier.

