User whose membership period has expired

[LeoTR]

When a member purchases a paid membership, I manually change the main user group. However, I want the membership period to automatically expire when it expires. When I try this with the promotion method, it adds the user to the additional user group. How can I ensure that the main user group of the member I manually upgraded to becomes "member whose membership period has expired" when the membership period expires?
User whose membership period has expired

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