Add pixi support #18

Job	Run time
ubuntu-latest - Env all Release	1m 33s
ubuntu-latest - Env all Release -mavx2	33s
ubuntu-latest - Env all Debug	18m 39s
ubuntu-latest - Env all Debug -mavx2	19m 18s
ubuntu-latest - Env all-py39 Release	46s
ubuntu-latest - Env all-py39 Release -mavx2	36s
ubuntu-latest - Env all-py39 Debug	2m 30s
ubuntu-latest - Env all-py39 Debug -mavx2	2m 53s
macos-latest - Env all Release	7m 37s
macos-latest - Env all Debug	12m 3s
macos-latest - Env all-py39 Release	52s
macos-latest - Env all-py39 Debug	3m 25s
macos-13 - Env all Release	18m 9s
macos-13 - Env all Debug	14m 9s
macos-13 - Env all-py39 Release	1m 33s
macos-13 - Env all-py39 Debug	8m 25s
windows-latest - Env all Release	22m 6s
windows-latest - Env all-clang-cl Release	12m 8s
check-macos-linux-windows-pixi	4s
	2h 27m 19s

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