test infrastructure updates

[terencehonles]

Description of the change

Create a test dependency group that the CI and tox can use, move tox config to pyproject.toml, and use pytest to run tests.

Please include a summary of the change and which issues are fixed.
Please also include relevant motivation and context.

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Maintenance
• New release

Related issues

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development

Code review

• This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
• "Ready for review" label attached to the PR and reviewers assigned
• Issue from task tracker has a link to this pull request
• Changes have been reviewed by at least one other engineer

[terencehonles]

Some QoL changes I performed in order to debug the test failures in #488

[terencehonles]

I just alphabetized these since I was adding additional tools

[terencehonles]

This is bumped to ensure dependency groups are supported