Use hatch as build system instead of setuptools

[willingc]

This PR modernizes some packaging items and follows guidelines found in Scientific Python's guide. It resolves a number of issues found by repo-review: https://learn.scientific-python.org/development/guides/repo-review/

This PR:

• use hatch for package build
• remove bumpversion and use dynamic version with hatch
• removes setuptools and setup.py completely
• removes requirements files and uses standard pyproject.toml approach
• moves pytest config into pyproject.toml and updates items flagged by repo-review

Addresses #833 #844

To Do:

• [x] Update binder config in tox

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 91.13%. Comparing base (cb2eb37) to head (73aaa13). :warning: Report is 24 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #848      +/-   ##
==========================================
- Coverage   91.54%   91.13%   -0.42%     
==========================================
  Files          17       17              
  Lines        1621     1635      +14     
==========================================
+ Hits         1484     1490       +6     
- Misses        137      145       +8     

see 5 files with indirect coverage changes

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[willingc]

@ofek If you have time to take a quick look at the hatch sections, I would appreciate it. Thanks :smile:

[willingc]

Thanks @rgbkrk. I will loop back to this late in the week.