docs: Update the name of the secret in the output

I found it confusing that the name of secret is different that the one created. Hopefully this helps.

Author: psibi

content/en/docs/tasks/configmap-secret/managing-secret-using-kustomize.md

@@ -92,7 +92,7 @@ kubectl describe secrets/db-user-pass-96mffmfh4k
 The output is similar to:
 
 ```
-Name:            db-user-pass
+Name:            db-user-pass-96mffmfh4k
 Namespace:       default
 Labels:          <none>
 Annotations:     <none>