ManagedSecretsBucket exports must have a non-empty string value

Signed-off-by: Jeremiah Snapp <[email protected]>

Author: jeremiahsnapp

templates/aws-stack.yml

@@ -384,13 +384,13 @@ Outputs:
 
   ManagedSecretsBucket:
     Value:
-      !If [ CreateSecretsBucket, !Ref ManagedSecretsBucket, "" ]
+      !If [ CreateSecretsBucket, !Ref ManagedSecretsBucket, "Undefined" ]
     Export:
       Name: !Sub '${AWS::StackName}-ManagedSecretsBucket'
 
   ManagedSecretsLoggingBucket:
     Value:
-      !If [ CreateSecretsBucket, !Ref ManagedSecretsLoggingBucket, "" ]
+      !If [ CreateSecretsBucket, !Ref ManagedSecretsLoggingBucket, "Undefined" ]
     Export:
       Name: !Sub '${AWS::StackName}-ManagedSecretsLoggingBucket'