Modernize setup methods

[nfahlgren]

Is your feature request related to a problem? Please describe.

DEPRECATION: plantcv is being installed using the legacy 'setup.py install' method, because it does not have a 'pyproject.toml' and the 'wheel' package is not installed. pip 23.1 will enforce this behaviour change. A possible replacement is to enable the '--use-pep517' option. Discussion can be found at https://github.com/pypa/pip/issues/8559

Describe the solution you'd like We need to adapt setup to the new procedures