Security suite failed (main @ d53a882)

The root `mise run security` suite failed in GitHub Actions. Use the log tail below and reproduce locally with the same command.

| Field | Value |
| --- | --- |
| Workflow run | [Security #18](https://github.com/aws-samples/sample-autonomous-cloud-coding-agents/actions/runs/30816138317) |
| Ref | `refs/heads/main` |
| SHA | [`d53a8820042be8f3948e1e9e7dd3d2a60e627a11`](https://github.com/aws-samples/sample-autonomous-cloud-coding-agents/commit/d53a8820042be8f3948e1e9e7dd3d2a60e627a11) |
| Actor | @krokoko |
| Event | `schedule` |

### Log tail (last 200 lines)

```text
mise WARN deprecated [config.experimental_monorepo_root]: `experimental_monorepo_root` in ~/work/sample-autonomous-cloud-coding-agents/sample-autonomous-cloud-coding-agents/mise.toml is deprecated. Use `monorepo_root` instead. This will be removed in mise 2027.12.0.
[//:security:secrets] $ gitleaks git . --no-banner --redact
1:04PM INF 1532 commits scanned.
1:04PM INF scanned ~52464857 bytes (52.46 MB) in 5.51s
1:04PM WRN leaks found: 3
[//:security:secrets] ERROR task failed
```

Close this issue after `mise run security` succeeds on `main` (or the branch you merge to).

Inizia eseguendo `mise run security` localmente e ispeziona l’esecuzione del workflow di sicurezza collegata nell’issue. Rintraccia i tre rilevamenti di gitleaks fino ai commit o ai file interessati, quindi risolvili oppure escludili in modo appropriato secondo le convenzioni di sicurezza del repository. Il lavoro è completato quando `mise run security` ha esito positivo sul branch di destinazione.

Scritto dal modello di indicizzazione a partire dal testo della issue.