Add pixi support #3

Job	Run time
ubuntu-latest - Env all Release	12m 49s
ubuntu-latest - Env all Release -mavx2	45s
ubuntu-latest - Env all Debug	3m 48s
ubuntu-latest - Env all Debug -mavx2	3m 21s
ubuntu-latest - Env all-py39 Release	35s
ubuntu-latest - Env all-py39 Release -mavx2	1m 1s
ubuntu-latest - Env all-py39 Debug	3m 5s
ubuntu-latest - Env all-py39 Debug -mavx2	3m 7s
macos-latest - Env all Release	7m 37s
macos-latest - Env all Debug	10m 14s
macos-latest - Env all-py39 Release	53s
macos-latest - Env all-py39 Debug	3m 40s
macos-13 - Env all Release	13m 6s
macos-13 - Env all Debug	12m 32s
macos-13 - Env all-py39 Release	1m 33s
macos-13 - Env all-py39 Debug	9m 3s
windows-latest - Env all Release	2m 11s
windows-latest - Env all-clang-cl Release	2m 47s
check-macos-linux-windows-pixi	2s
	1h 32m 9s

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