Get all channels for the current tenant

curl --request GET \
  --url https://dev.flextell.ai/api/v1/channels \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "id": 123,
      "tenant_id": 123,
      "name": "<string>",
      "type": "whatsapp",
      "address": "<string>",
      "status": "closed",
      "metadata": [
        "<unknown>"
      ],
      "is_active": true,
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}