Keep Python opaque data alive for the lifetime of the request - #2445

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: microsoft/onnxruntime-github-actions/setup-build-tools@47a55233e7a9e40e8ade1a71d1b6141be5044924. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/