Add pixi support #4

Job	Run time
ubuntu-latest - Env all Release	5m 29s
ubuntu-latest - Env all Debug	5m 28s
ubuntu-latest - Env all-py39 Release	5m 28s
ubuntu-latest - Env all-py39 Debug	5m 28s
macos-latest - Env all Release	40s
macos-latest - Env all Debug	1m 34s
macos-latest - Env all-py39 Release	56s
macos-latest - Env all-py39 Debug	1m 33s
macos-13 - Env all Release	5m 34s
macos-13 - Env all Debug	5m 32s
macos-13 - Env all-py39 Release	3m 30s
macos-13 - Env all-py39 Debug	4m 48s
windows-latest - Env all Release	5m 14s
windows-latest - Env all-clang-cl Release	4m 16s
check-macos-linux-windows-pixi	3s
	55m 33s

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