False positive in CWE-829 /UntrustedCheckoutMedium.ql

**Description of the false positive**
When there is a workflow that is triggered by a pull_request, this check considers the called workflow to be privileged even though it is not.

**Code samples or links to source code**

Triggered Workflow: https://raw.githubusercontent.com/llvm/llvm-project/refs/heads/main/.github/workflows/release-binaries-all.yml
Called Workflow: https://raw.githubusercontent.com/llvm/llvm-project/refs/heads/main/.github/workflows/release-binaries.yml

**URL to the alert on GitHub code scanning (optional)**

https://github.com/llvm/llvm-project/security/code-scanning/1828

Empieza con la consulta CWE-829 /UntrustedCheckoutMedium.ql y revisa los ejemplos de workflows activados y llamados enlazados en el informe. Compara el resultado de la consulta con el comportamiento del workflow activado por pull_request y la alerta de code-scanning enlazada. Se considera terminado cuando el workflow llamado ya no se informa incorrectamente como privilegiado.

Escrito por el modelo de indexación a partir del texto del issue.