Updated artifact download documentation.
Updated artifact download documentation.

buildkite/agent,Shopify/agent,buildkite/agent,Shopify/agent,Jasperswaagman/agent,es/agent,tommeier/agent,tommeier/agent,joelmoss/agent,joelmoss/agent,joelmoss/agent,es/agent,grosskur/agent,buildkite/agent,grosskur/agent,es/agent,Jasperswaagman/agent,tommeier/agent,Jasperswaagman/agent,grosskur/agent,Shopify/agent