Replace setup.py with pyproject.toml, update CI workflows and dev environment.

[chrisjonesBSU]

PR Summary:

This PR does the same as mosdef-hub/gmso#865 and mosdef-hub/mbuild#1217 to use a pyproject.toml file instead of setup.py and to update the dev environment and CI workflow.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.04%. Comparing base (32c78d9) to head (7adaae4).
Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #597      +/-   ##
==========================================
+ Coverage   61.88%   62.04%   +0.16%     
==========================================
  Files          16       16              
  Lines        1658     1665       +7     
==========================================
+ Hits         1026     1033       +7     
  Misses        632      632