loongson/pypi: links for bits-datetime

loongson/mirror bits-datetime-1.20.1.tar.gz
loongson/mirror bits_datetime-1.20.1-py3-none-any.whl
loongson/mirror bits-datetime-1.20.tar.gz
loongson/mirror bits_datetime-1.20-py3-none-any.whl
loongson/mirror bits-datetime-1.19.tar.gz
loongson/mirror bits_datetime-1.19-py3-none-any.whl