curl --request PATCH \
  --url https://api.opper.ai/v3/spans/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "end_time": "2023-11-07T05:31:56Z",
  "error": "<string>",
  "meta": {},
  "metadata": {},
  "output": "<string>",
  "tags": {}
}
'

opper.spans.update(
    span.id,
    output="Pipeline completed successfully",
    end_time=datetime.now(timezone.utc).isoformat(),
    meta={"total_calls": 3},
)

await opper.spans.update(spanId, {
  output: "Pipeline completed successfully",
  end_time: new Date().toISOString(),
  meta: { total_calls: 3 },
});

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  },
  "meta": {}
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  },
  "meta": {}
}