Update an evaluator

curl --request PATCH \
  --url https://api-sandbox.featherhq.com/v1/evaluators/{evaluator_id} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "owner": "<string>",
  "config": {},
  "prompt": "<string>",
  "threshold": 123,
  "judge_model_override": "<string>",
  "tags": [
    "<string>"
  ]
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "organization_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "kind": "<string>",
  "format": "<string>",
  "description": "<string>",
  "owner": "<string>",
  "status": "<string>",
  "prompt": "<string>",
  "threshold": 123,
  "severity": "<string>",
  "judge_model_override": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "config": {},
  "tags": [
    "<string>"
  ],
  "created_by": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}