problems with use of setup.py in all projects

[gdmiron]

to be able to continue using conda-forge setup of python package we need to fix the following in all projects:

!!

    ********************************************************************************
    Please avoid running ``setup.py`` directly.
    Instead, use pypa/build, pypa/installer or other
    standards-based tools.

    By 2025-Oct-31, you need to update your project and remove deprecated calls
    or your builds will no longer be supported.

    See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
    ********************************************************************************

!!