Update pytables version
Based on https://github.com/pandas-dev/pandas/pull/32700#pullrequestreview-391684059 I update pytables minimal required version to 3.4.3

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