[docs] AI Coding — PAYG vs Token Plan: per-service-type tabs for every copy-paste example — VI + EN - #40

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683, gitleaks/gitleaks-action@ff98106e4c7b2bc287b24eaf42907196329070c7. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/