title: i can't sign my manifest using mage visual studio 2019
body: <p>i'm trying to sign my manifest using mage as described in this article:
  <a href="https://docs.microsoft.com/en-us/visualstudio/vsto/deploying-an-office-solution-by-using-clickonce?view=vs-2022#re-sign-the-application-and-deployment-manifests" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/visualstudio/vsto/deploying-an-office-solution-by-using-clickonce?view=vs-2022#re-sign-the-application-and-deployment-manifests</a>
  but when i run the command it's says:
  'mage' is not recognized as an internal or external command</p>