Update guardrail rule

curl --request PATCH \
  --url https://api.orq.ai/v2/guardrail-rules/{guardrail_rule_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "description": "<string>",
  "display_name": "<string>",
  "enabled": true,
  "guardrails": [
    {
      "id": "<string>",
      "is_guardrail": true,
      "sample_rate": 0.5
    }
  ],
  "timeout": 1001
}
'

{
  "_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "created_by_id": "<string>",
  "display_name": "<string>",
  "enabled": true,
  "project_id": "<string>",
  "timeout": 1001,
  "updated_at": "2023-11-07T05:31:56Z",
  "updated_by_id": "<string>",
  "description": "<string>",
  "expression": {
    "cel": "<string>",
    "config": {}
  },
  "guardrails": [
    {
      "id": "<string>",
      "is_guardrail": true,
      "sample_rate": 0.5
    }
  ]
}