[Feature]: Base API - Add `Enable/disable DNSSEC on a DNS Zone` endpoints

### Description ### Description New endpoints under the Base API. * [Enable DNSSEC on a DNS Zone](https://docs.bunny.net/reference/managednszonednssecendpoint_enablednssecdnszone) * [Disable DNSSEC on a DNS Zone](https://docs.bunny.net/reference/managednszonednssecendpoint_disablednssecdnszone) ### Example _No response_