[Workspace Feeds] [External] Integrate Deactivate_Card API

[mountiny]

Part of the Workspace feeds project.

Implement the following part of the design doc.

@koko57 @VickyStash @allgandalf @DylanDylann

[melvin-bot]

@MariaHCD, @mountiny Uh oh! This issue is overdue by 2 days. Don't forget to update your issues!

[mountiny]

Later phase of implementation

[mountiny]

Will be worked on soon