feat(daemon): keep a caller-owned lease through session close with retainOnClose - #3208

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830, actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02, pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061, reactivecircus/android-emulator-runner@b530d96654c385303d652368551fb075bc2f0b6b. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/