List workflow comments

curl 'https://api.expiryedge.com/v1/getWorkflowComments?workflow_id=run_7Vb3&step_id=rstp_2Wd8' \
  -H "Authorization: Bearer $EXPIRYEDGE_API_KEY"

{
  "comments": [
    {
      "id": "wcm_4Rt6",
      "workflow_id": "run_7Vb3",
      "step_id": "rstp_2Wd8",
      "section_id": null,
      "user_id": "u_71bXq",
      "content": "@Priya certificates for Dr. Lee are uploaded.",
      "mentioned_users": [
        {
          "id": "u_93kLp",
          "name": "Priya Shah"
        }
      ],
      "is_edited": false,
      "created_at": "2026-09-27T14:05:00.000Z",
      "updated_at": "2026-09-27T14:05:00.000Z",
      "user_name": "Marcus Hale",
      "user_email": "marcus@northwinddental.com"
    }
  ]
}