migrate setup.py to pyproject.toml

[aysim319]

Actual Behavior:
testing/dev dependencies are baked into one install requirements in setup.py. at the same time we want to migrate setup.py to pyproject.toml to modernize and to make the packaging consistent with delphi_utils module

Context
#1973 (comment)

#2014 (review)

[aysim319]

duplicate of #2016