feat(d3d11_service): per-stage weave timing under DXR_WEAVE_GPU_TIMING (2D-under-the-lens P0) - #1824

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/setup-python@v5. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/