Add pixi support #34

Job	Run time
ubuntu-latest - Env all Release	49s
ubuntu-latest - Env all Release -mavx2	55s
ubuntu-latest - Env all Debug	3m 33s
ubuntu-latest - Env all Debug -mavx2	20m 7s
ubuntu-latest - Env all-py39 Release	36s
ubuntu-latest - Env all-py39 Release -mavx2	53s
ubuntu-latest - Env all-py39 Debug	3m 4s
ubuntu-latest - Env all-py39 Debug -mavx2	2m 44s
macos-latest - Env all Release	6m 19s
macos-latest - Env all Debug	17m 2s
macos-latest - Env all-py39 Release	1m 17s
macos-latest - Env all-py39 Debug	3m 54s
macos-13 - Env all Release	15m 57s
macos-13 - Env all Debug	12m 41s
macos-13 - Env all-py39 Release	1m 51s
macos-13 - Env all-py39 Debug	11m 31s
windows-latest - Env all Release	21m 17s
windows-latest - Env all-clang-cl Release	2m 14s
check-macos-linux-windows-pixi	2s
	2h 6m 46s

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