Add pixi support #4

Job	Run time
ubuntu-latest - Env all Release	36s
ubuntu-latest - Env all Release -mavx2	13m 11s
ubuntu-latest - Env all Debug	19m 1s
ubuntu-latest - Env all Debug -mavx2	18m 56s
ubuntu-latest - Env all-py39 Release	38s
ubuntu-latest - Env all-py39 Release -mavx2	52s
ubuntu-latest - Env all-py39 Debug	2m 50s
ubuntu-latest - Env all-py39 Debug -mavx2	3m 16s
macos-latest - Env all Release	51s
macos-latest - Env all Debug	5m 58s
macos-latest - Env all-py39 Release	54s
macos-latest - Env all-py39 Debug	5m 49s
macos-13 - Env all Release	2m 2s
macos-13 - Env all Debug	17m 41s
macos-13 - Env all-py39 Release	1m 22s
macos-13 - Env all-py39 Debug	11m 10s
windows-latest - Env all Release	23m 2s
windows-latest - Env all-clang-cl Release	3m 24s
check-macos-linux-windows-pixi	2s
	2h 11m 35s

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