amd64/cu128: links for extcmd

root/pypi extcmd-1.1.tar.gz
root/pypi extcmd-1.0.1.tar.gz
root/pypi extcmd-1.0.tar.gz
root/pypi extcmd-1.0b4.tar.gz
root/pypi extcmd-1.0b2.tar.gz
root/pypi extcmd-1.0b1.tar.gz
root/pypi extcmd-0.1.dev2.tar.gz
root/pypi extcmd-0.1.dev1.tar.gz