amd64/cu128: links for umr-extensions-demo

root/pypi umr-extensions-demo-0.2.tar.gz
root/pypi umr-extensions-demo-0.1.3.tar.gz
root/pypi umr-extensions-demo-0.1.2.tar.gz
root/pypi umr-extensions-demo-0.1.1.tar.gz
root/pypi umr-extensions-demo-0.1.tar.gz