root/pypi: links for pdm-build-bub

root/pypi pdm_build_bub-0.1.0a2.tar.gz
root/pypi pdm_build_bub-0.1.0a2-py3-none-any.whl
root/pypi pdm_build_bub-0.1.0a1.tar.gz
root/pypi pdm_build_bub-0.1.0a1-py3-none-any.whl