Fixed build-github-release command line validation.
Fixed build-github-release command line validation.

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