Some releases ago, Fedora switch to the new pyproject macros as the recommended way to build python packages:

 https://meetings.opendev.org/meetings/rdo_meeting___2022_11_16/2022/rdo_meeting___2022_11_16.2022-11-16-14.07.log.html#l-30

it's time to us to also move to it.

Discussion etherpad:

https://review.rdoproject.org/etherpad/p/pyproject-macros