Add pixi support #4

Job	Run time
ubuntu-latest - Env py38-ci Release	11m 42s
ubuntu-latest - Env py38-ci Release -mavx2	11m 28s
ubuntu-latest - Env py38-ci Debug	13m 42s
ubuntu-latest - Env py38-ci Debug -mavx2	11m 46s
ubuntu-latest - Env py312-ci Release	11m 29s
ubuntu-latest - Env py312-ci Release -mavx2	14m 21s
ubuntu-latest - Env py312-ci Debug	11m 49s
ubuntu-latest - Env py312-ci Debug -mavx2	11m 54s
macos-latest - Env py38-ci Release	17m 7s
macos-latest - Env py38-ci Debug	10m 6s
macos-latest - Env py312-ci Release	10m 48s
macos-latest - Env py312-ci Debug	19m 24s
macos-14 - Env py38-ci Release	6m 48s
macos-14 - Env py38-ci Debug	12m 20s
macos-14 - Env accelerate-ci Release	9m 12s
macos-14 - Env accelerate-ci Debug	11m 45s
windows-latest - Env py312-ci	20m 50s
windows-latest - Env py312-ci	22m 25s
check-macos-linux-windows-pixi	2s
	3h 58m 58s

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