### Description An option to to suppress `DOCKER_METADATA_OUTPUT` environment variables output from the action would be great if they are not needed downstream. Besides, https://github.com/actions/runner/issues/1126, when unneeded they add many unnecessary lines of output to the actions logs for each step.
Description
An option to to suppress
DOCKER_METADATA_OUTPUTenvironment variables output from the action would be great if they are not needed downstream.Besides, actions/runner#1126, when unneeded they add many unnecessary lines of output to the actions logs for each step.