curl --request POST \
  --url https://api.sleekplan.com/v1/update \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "<string>",
  "description": "<string>",
  "type": "<string>",
  "segment": "<string>",
  "created": "now",
  "settings": {
    "link": "<string>",
    "link_text": "<string>",
    "link_color": "<string>"
  },
  "draft": false,
  "notify": true,
  "notify_delay": false,
  "announcement": false
}
'

{
  "status": "<string>",
  "data": {
    "changelog_id": 123
  }
}