Enable/disable a type and set its severity override / threshold config

curl --request PUT \
  --url https://api-sandbox.featherhq.com/v1/notifications/types/{event_type}/config \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "enabled": true,
  "severity_override": "<string>",
  "threshold_config": {},
  "delivery_mode": "immediate",
  "rate_limit_per_hour": 2
}
'

{
  "event_type": "<string>",
  "category": "<string>",
  "display_name": "<string>",
  "description": "<string>",
  "default_severity": "<string>",
  "supported_channels": [
    "<string>"
  ],
  "recommended": true,
  "template_id": "<string>",
  "threshold_based": true,
  "threshold_config_schema": {},
  "payload_schema": {},
  "enabled": true,
  "severity_override": "<string>",
  "threshold_config": {},
  "effective_severity": "<string>",
  "delivery_mode": "<string>",
  "rate_limit_per_hour": 123,
  "resolved_destination_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "has_destination": true
}