PR: Use uv and hatch.

[KelSolaar]

Summary

This PR replaces Poetry with uv and hatch.

I haven't run the numbers but environment resolution is much much faster compared with Poetry.

Along side with #1298, this should make installing the Colour dependencies much easier.

Preflight

Code Style and Quality

• Unit tests have been implemented and passed.
• Pyright static checking has been run and passed.
• Pre-commit hooks have been run and passed.
• [N/A] New transformations have been added to the Automatic Colour Conversion Graph.
• [N/A] New transformations have been exported to the relevant namespaces, e.g. colour, colour.models.

Documentation

• [ N/A] New features are documented along with examples if relevant.
• [ N/A] The documentation is Sphinx and numpydoc compliant.

[coveralls]

coverage: 99.835%. remained the same
when pulling 0a4ed9b on feature/uv
into 398221a on develop.