Parts of the pyproject.toml are deprecated #164
Description
When building the Wheel we can obtain the following warnings:
/private/var/folders/r1/4882c7yd7wx9hcpc__xp04_m0000gn/T/build-env-0flza8xx/lib/python3.10/site-packages/setuptools/config/_apply_pyprojecttoml.py:82: SetuptoolsDeprecationWarning: `project.license` as a TOML table is deprecated
!!
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Please use a simple string containing a SPDX expression for `project.license`. You can also use `project.license-files`. (Both options available on setuptools>=77.0.0).
By 2026-Feb-[18](https://github.com/btschwertfeger/python-cmethods/actions/runs/14157929663/job/39659612766#step:10:19), you need to update your project and remove deprecated calls
or your builds will no longer be supported.
See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
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!!
corresp(dist, value, root_dir)
/private/var/folders/r1/4882c7yd7wx9hcpc__xp04_m0000gn/T/build-env-0flza8xx/lib/python3.10/site-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated.
!!
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Please consider removing the following classifiers in favor of a SPDX license expression:
License :: OSI Approved :: GNU General Public License v3 (GPLv3)
See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
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