Filter topics

curl --request GET \
  --url https://api.novu.co/v1/topics \
  --header 'Authorization: <api-key>'

{
  "data": [
    {
      "_id": "<string>",
      "_organizationId": "<string>",
      "_environmentId": "<string>",
      "key": "<string>",
      "name": "<string>",
      "subscribers": [
        "<string>"
      ]
    }
  ],
  "page": 123,
  "pageSize": 123,
  "totalCount": 123
}