root/pypi: links for poetry-plugin-upgrade

root/pypi poetry_plugin_upgrade-0.2.0.tar.gz
root/pypi poetry_plugin_upgrade-0.2.0-py3-none-any.whl
root/pypi poetry_plugin_upgrade-0.1.0.tar.gz
root/pypi poetry_plugin_upgrade-0.1.0-py3-none-any.whl