Update vendor finding

curl --request PATCH \
  --url https://api.vanta.com/v1/vendors/{vendorId}/findings/{findingId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": "<string>",
  "remediation": {
    "requirementNotes": "<string>"
  }
}
'

{
  "id": "66bb83e06c54dc42afedb174",
  "vendorId": "66bb83dc14f5709efe418859",
  "securityReviewId": "66bb83977ffe63d2c54d6711",
  "documentId": null,
  "content": "This vendor has not performed a penetration test in the past 15 months.",
  "riskStatus": "REMEDIATE",
  "remediation": {
    "requirementNotes": "We need them to provide an updated penetration test report.",
    "state": "OPEN"
  }
}