vgdev/stable: links for opsbox-slack-output

root/pypi opsbox_slack_output-0.1.4.tar.gz
root/pypi opsbox_slack_output-0.1.4-py3-none-any.whl
root/pypi opsbox_slack_output-0.1.3.tar.gz
root/pypi opsbox_slack_output-0.1.3-py3-none-any.whl
root/pypi opsbox_slack_output-0.1.2.tar.gz
root/pypi opsbox_slack_output-0.1.2-py3-none-any.whl