loongson/pypi: links for better-progress

loongson/mirror better-progress-1.0.4.tar.gz
loongson/mirror better_progress-1.0.4-py3-none-any.whl
loongson/mirror better-progress-1.0.3.post1.tar.gz
loongson/mirror better_progress-1.0.3.post1-py3-none-any.whl
loongson/mirror better-progress-1.0.3.tar.gz
loongson/mirror better_progress-1.0.3-py3-none-any.whl