Add aarch64 Mac runners to test_python, restore PSP_ARCH dev behavior #596

Job	Run time
lint_and_docs (ubuntu-22.04, 3.9, 20.x)	8m 47s
build_js (ubuntu-22.04, 3.9, 20.x)	27m 24s
build_emscripten_wheel (ubuntu-22.04, x86_64, 3.9, 20.x)	17m 16s
build_and_test_rust (ubuntu-22.04, x86_64, 20.x, false)	9m 55s
build_python (ubuntu-22.04, x86_64, 3.9, 20.x, false)	17m 41s
test_python (ubuntu-22.04, 3.9, 20.x, false)	1m 17s
test_python (macos-13, x86_64)	2m 44s
test_python (macos-14, aarch64)	3m 49s
test_python (windows-2022, x86_64)	2m 39s
test_js (ubuntu-22.04, 3.9, 20.x)	5m 26s
build_and_test_juptyerlab (ubuntu-22.04, x86_64, 3.9, 20.x, false)	1m 50s
benchmark_js	0s
benchmark_python	0s
publish	0s
	1h 38m 48s

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