loongson/pypi: links for flexcv

loongson/mirror flexcv-24.0b0.tar.gz
loongson/mirror flexcv-24.0b0-py3-none-any.whl
loongson/mirror flexcv-23.0.1b0.tar.gz
loongson/mirror flexcv-23.0.1b0-py3-none-any.whl
loongson/mirror flexcv-23.0b0.tar.gz
loongson/mirror flexcv-23.0b0-py3-none-any.whl