DOC: `Styler` user guide limitations out of date

[attack68]

• I have checked that the issue still exists on the latest versions of the docs on master here

Location of the documentation

https://pandas.pydata.org/pandas-docs/stable/user_guide/style.html

Documentation problem

The limitations section is out of date given many of the PRs submitted in last few months.

Suggested fix for documentation

Update it.