Fetch invitation

curl --request GET \
  --url https://app.getcensus.com/api/v1/invitations/{invitation_id} \
  --header 'Authorization: Bearer <token>'

{
  "status": "success",
  "data": {
    "id": 90967,
    "email": "newuser@example.com",
    "created_at": "2023-09-22T20:25:45.185Z",
    "created_by_id": 13,
    "claimed_at": "2023-09-22T20:25:45.185Z",
    "claimed_by_id": 11,
    "role": "admin",
    "associated_workspace_invitations": [
      {
        "id": 90967,
        "workspace_id": 1234,
        "role": "Viewer"
      }
    ]
  }
}