fix: Unauthenticated deletion of installation records via operator injection in device token deduplication (GHSA-cc6h-c8m4-hgrx) - #10657

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/