root/pypi: links for postgkyl

root/pypi postgkyl-1.7.5.tar.gz
root/pypi postgkyl-1.7.5-py3-none-any.whl
root/pypi postgkyl-1.7.4.dev1.tar.gz
root/pypi postgkyl-1.7.4.dev1-py3-none-any.whl