Install Miniforge3-MacOSX-arm64 first, then
conda create --name py39_forge python=3.9
conda activate py39_forge
conda install numpy scipy
pip install -U https://files.pythonhosted.org/packages/a1/70/74886d4edc355a375532f6cfe18a7f86a2db5093b374270fbd203414e404/jaxlib-0.1.75-cp39-none-macosx_11_0_arm64.whl
pip install jax