DX: define developer environment with `uv` #333

Job	Run time
doc / Build HTML (fast)	38s
doc / Run notebooks and build documentation	0s
doc / Build PDF (fast)	3m 41s
doc / Check external links	36s
pytest / Determine job matrix	8s
style / Determine skipped pre-commit hooks	6s
style / Run local pre-commit hooks	1m 1s
pytest / Run unit tests (3.10, ubuntu-24.04)	58s
pytest / Run unit tests (3.11, ubuntu-24.04)	50s
pytest / Run unit tests (3.12, ubuntu-24.04)	45s
pytest / Run unit tests (3.9, ubuntu-24.04)	1m 21s
doc / Upload to GitHub Pages	0s
style / Push changes	0s
	10m 4s

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