Create captcha settings for the environment

curl --request POST \
  --url https://app.dynamicauth.com/api/v0/environments/{environmentId}/settings/captcha \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "siteKey": "<string>",
  "secretKey": "<string>"
}
'

{
  "enabled": true,
  "siteKey": "<string>"
}