root/pypi: links for certbot-pdns

root/pypi certbot-pdns-1.2.0.tar.gz
root/pypi certbot-pdns-1.1.1.tar.gz
root/pypi certbot-pdns-1.1.0.tar.gz
root/pypi certbot-pdns-1.0.1.tar.gz
root/pypi certbot-pdns-1.0.0.tar.gz