Add pixi support #26

Job	Run time
ubuntu-latest - Env all Release	37s
ubuntu-latest - Env all Release -mavx2	43s
ubuntu-latest - Env all Debug	3m 11s
ubuntu-latest - Env all Debug -mavx2	2m 52s
ubuntu-latest - Env all-py39 Release	48s
ubuntu-latest - Env all-py39 Release -mavx2	32s
ubuntu-latest - Env all-py39 Debug	2m 44s
ubuntu-latest - Env all-py39 Debug -mavx2	2m 32s
macos-latest - Env all Release	5m 59s
macos-latest - Env all Debug	5m 12s
macos-latest - Env all-py39 Release	48s
macos-latest - Env all-py39 Debug	3m 43s
macos-13 - Env all Release	1m 22s
macos-13 - Env all Debug	24m 29s
macos-13 - Env all-py39 Release	1m 31s
macos-13 - Env all-py39 Debug	8m 11s
windows-latest - Env all Release	1m 46s
windows-latest - Env all-clang-cl Release	2m 14s
check-macos-linux-windows-pixi	2s
	1h 9m 16s

Provide feedback