loongson/pypi: links for bcpulsekortest

loongson/mirror bcpulsekortest-3.1.0b4.tar.gz
loongson/mirror bcpulseKORtest-3.1.0b4-py3-none-any.whl
loongson/mirror bcpulsekortest-3.1.0b3.tar.gz
loongson/mirror bcpulseKORtest-3.1.0b3-py3-none-any.whl