Add pixi support #24

Job	Run time
ubuntu-latest - Env all Release	11m 39s
ubuntu-latest - Env all Release -mavx2	11m 42s
ubuntu-latest - Env all Debug	11m 42s
ubuntu-latest - Env all Debug -mavx2	11m 41s
ubuntu-latest - Env all-py39 Release	37s
ubuntu-latest - Env all-py39 Release -mavx2	45s
ubuntu-latest - Env all-py39 Debug	2m 47s
ubuntu-latest - Env all-py39 Debug -mavx2	2m 40s
macos-latest - Env all Release	6m 44s
macos-latest - Env all Debug	3m 36s
macos-latest - Env all-py39 Release	55s
macos-latest - Env all-py39 Debug	3m 19s
macos-13 - Env all Release	11m 52s
macos-13 - Env all Debug	11m 2s
macos-13 - Env all-py39 Release	1m 32s
macos-13 - Env all-py39 Debug	7m 7s
windows-latest - Env all Release	10m 52s
windows-latest - Env all-clang-cl Release	2m 9s
check-macos-linux-windows-pixi	4s
	1h 52m 45s

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