Modernize package devtools

[ap--]

This PR updates the package dev tools to align with the cookiecutter template https://github.com/iterative/py-template

See #98

It also bumps the required python version to 3.8

• Migrate to hatch, stop using legacy setup metadata format.
• Update and consolidate dev tools and test dependencies.
• New nox tasks and minor changes for convenience.
• Add, configure, and apply pre-commit for consistent code formatting.

Add a CHANGELOG will be addressed when preparing a new release

[codecov-commenter]

Codecov Report

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Additional details and impacted files

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  Files           ?       20           
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  Hits            ?     1481           
  Misses          ?      140           
  Partials        ?       42           

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[ap--]

Hey @brl0,

I found some time to update the tool stack. I'm working on fixing a few of the bigger open issues with UPath and I thought it would be good to have this out of the way before we make a new release.

I stuck with the iterative template mostly to avoid long discussions on what tools to use. Do you have any comments on this stack?

Cheers,
Andreas 😃