curl --request DELETE \
  --url https://us.infisical.com/api/v1/projects/{projectId}/memberships \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "emails": [],
  "usernames": []
}
'

{
  "memberships": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "projectId": "<string>"
    }
  ]
}