Introduce next-generation Python bindings using `nanobind` #81

Job	Run time
ubuntu-latest - Env all Release	28s
ubuntu-latest - Env all Release -mavx2	26s
ubuntu-latest - Env all Debug	30s
ubuntu-latest - Env all Debug -mavx2	30s
ubuntu-latest - Env all-python-oldest Release	32s
ubuntu-latest - Env all-python-oldest Release -mavx2	35s
ubuntu-latest - Env all-python-oldest Debug	30s
ubuntu-latest - Env all-python-oldest Debug -mavx2	25s
macos-latest - Env all Release	50s
macos-latest - Env all Debug	49s
macos-latest - Env all-python-oldest Release	46s
macos-latest - Env all-python-oldest Debug	50s
macos-13 - Env all Release	1m 9s
macos-13 - Env all Debug	1m 13s
macos-13 - Env all-python-oldest Release	1m 17s
macos-13 - Env all-python-oldest Debug	1m 13s
windows-latest - Env all Release	2m 15s
windows-latest - Env all-clang-cl Release	2m 10s
windows-latest - Env default Debug	1m 12s
check-macos-linux-windows-pixi	4s
	17m 44s

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