ManagedSecretsBucket exports must have a non-empty string value
ManagedSecretsBucket exports must have a non-empty string value

Signed-off-by: Jeremiah Snapp <a9df78b4b5c00745f26b0821b2cc57336a474862@chef.io>

buildkite/elastic-ci-stack-for-aws,holmesjr/elastic-ci-stack-for-aws,holmesjr/elastic-ci-stack-for-aws