Follow-up: XLSB Support
Updated min version for `pyxlsb` to 1.0.6 and removed the now unnecessary xfail for read from url. Turns out the other xfail is actually unnecessary so I've removed it.

Question: is my name supposed to show up in the contributors list?

- [X] closes #8540
- [X] tests added / passed
- [X] passes `black pandas`
- [X] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [X] whatsnew entry