curl --request PATCH \
  --url https://openlens.com/api/workstreams/{id}/goal \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "goalText": "<string>",
  "targetVisibility": 50,
  "targetDeadline": "2023-12-25"
}
'

{
  "workstream": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "projectId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "topicIds": [
      "3c90c3cc-0d44-4b50-8888-8dd25736052a"
    ],
    "attributes": [
      "<string>"
    ],
    "archivedAt": "2023-11-07T05:31:56Z",
    "currentGoal": {
      "effectiveFrom": "2023-11-07T05:31:56Z",
      "goalText": "<string>",
      "targetVisibility": 50,
      "targetDeadline": "2023-12-25"
    },
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  }
}