Remove outdated setup tools dependency and inherit
Changelog
=========
New
Support for Python 3.10 & 3.11
The HTML documentation uses the furo theme
Fixed
*of rules are skipped for None values (#582)
Validations of mappings would raise an exception when the field's rules were provided as reference to a registry item (#599)
Improved
Various minor improvements of the documentation
Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
