chore: unify uv usage in workflows #1083

Job	Run time
Collect changes / collect-changes	9s
Python tests / lint-and-format-check	13s
Python tests / types-check	13s
Python tests / unit-tests (py312)	7m 50s
Python tests / unit-tests (py313)	3m 31s
Python tests / unit-tests (py39)	3m 2s
Python tests / unit-tests (py310)	2m 54s
Python tests / unit-tests (py311)	3m 1s
status-check	3s
	20m 56s

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