Use Ruff for linting (replaces flake8, black and isort)

[bhazelton]

Switch to using the ruff formatter to solve several issues:

• Speed
• Versioning Flake8 plugins
• configuration via pyproject.toml rather than .flake8

Description

Fixes #250

Motivation and Context

Checklists:

Build/CI Change Checklist:

• I have read the contribution guide.
• My code follows the code style of this project.
• If required or optional dependencies have changed (including version numbers), I have updated the readme to reflect this.
• If this is a new CI setup, I have added the associated badge to the readme

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (5d4b950) to head (398ac10).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #255   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines         2131      2121   -10     
  Branches       608       601    -7     
=========================================
- Hits          2131      2121   -10     

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[steven-murray]

pre-approving, but with the one comment that the pyproject.toml can be slightly cleaner by using inline comments

[mkolopanis]

looks pretty good, I have one comment but I think it is more about uniformity across rasg repos.