Add pixi support #28

Job	Run time
ubuntu-latest - Env all Release	12m 43s
ubuntu-latest - Env all Release -mavx2	12m 39s
ubuntu-latest - Env all Debug	18m 48s
ubuntu-latest - Env all Debug -mavx2	18m 53s
ubuntu-latest - Env all-py39 Release	12m 17s
ubuntu-latest - Env all-py39 Release -mavx2	13m 29s
ubuntu-latest - Env all-py39 Debug	20m 4s
ubuntu-latest - Env all-py39 Debug -mavx2	18m 42s
macos-latest - Env all Release	7m 34s
macos-latest - Env all Debug	12m 6s
macos-latest - Env all-py39 Release	9m 32s
macos-latest - Env all-py39 Debug	9m 17s
macos-13 - Env all Release	18m 1s
macos-13 - Env all Debug	18m 45s
macos-13 - Env all-py39 Release	20m 49s
macos-13 - Env all-py39 Debug	29m 1s
windows-latest - Env all Release	21m 33s
windows-latest - Env all-clang-cl Release	10m 32s
check-macos-linux-windows-pixi	2s
	4h 44m 47s

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