List Groups

curl --request GET \
  --url https://public.api.serval.com/v2/groups \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": "<string>",
      "name": "<string>",
      "organizationId": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "deletedAt": "2023-11-07T05:31:56Z",
      "userIds": [
        "<string>"
      ]
    }
  ],
  "nextCursor": "<string>"
}