Rename OS in artifact name for macos (osx -> darwin)
Rename OS in artifact name for macos (osx -> darwin)

google/jsonnet,google/jsonnet,google/jsonnet,sparkprime/jsonnet,sparkprime/jsonnet,sparkprime/jsonnet,sparkprime/jsonnet,sparkprime/jsonnet,google/jsonnet,google/jsonnet,google/jsonnet,sparkprime/jsonnet