List vault shares

curl --request GET \
  --url https://api.case.dev/vault/{id}/shares \
  --header 'Authorization: Bearer <token>'

{
  "shares": [
    {
      "id": "<string>",
      "vault_id": "<string>",
      "target_org_id": "<string>",
      "permission": "<string>",
      "expires_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}