Tests

Use new `uv` package manager to install deps in CI #499

Job	Run time
tests (ubuntu-latest)	1m 48s
tests (macos-14)	1m 38s
tests (windows-latest)	1m 41s
Build source distribution	0s
Build wheels for Python ${{ matrix.python-version }} on ${{ matrix.os }}	0s
Release wheels and source distribution to PyPI	0s
	5m 7s

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