DX: define developer environment with `uv` #609

Job	Run time
pytest / Determine job matrix	6s
style / Determine skipped pre-commit hooks	6s
doc / nb / Execute and build documentation	1m 19s
doc / linkcheck / Check external links	48s
style / Run local pre-commit hooks	54s
pytest / Run unit tests (3.10, ubuntu-24.04)	1m 18s
pytest / Run unit tests (3.11, ubuntu-24.04)	1m 33s
pytest / Run unit tests (3.9, ubuntu-24.04)	1m 30s
pytest / Run unit tests (3.12, ubuntu-24.04, ampform)	2m 37s
pytest / Run unit tests (3.9, macos-14)	56s
style / Push changes	0s
doc / Upload to GitHub Pages	0s
	11m 7s

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