fix: correct the node.js purl - #1551

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633, actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8, step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

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