creates zips to consume cuda plugin ep from foundry local

[prathikr]

follows same design pattern as webgpu plugin ep

test run: CUDA Plugin EP Packaging Pipeline - 20260604.5

[tianleiwu]

Summary

This adds a Package_Foundry_Local_CUDA_Zips stage that mirrors the already-merged Package_Foundry_Local_WebGPU_Zips pattern almost line-for-line, which keeps the two EP packaging paths consistent and easy to maintain.

What's well done

• Stage/job/artifact references are correct: dependsOn targets Win_plugin_cuda_x64_Build and Linux_plugin_cuda_x64, and the downloads (cuda_plugin_win_x64, cuda_plugin_linux_x64) match the artifact names published by plugin-win-cuda-stage.yml and plugin-linux-cuda-stage.yml.
• The bin/+version/ layout consumed by the PowerShell script matches what the build stages stage ($(Build.ArtifactStagingDirectory)\bin, \version\<PluginPackageVersion>).
• Explicit cross-platform version-agreement check and the version/ marker folder give downstream pipelines a clean way to read the version without parsing zip filenames.
• The sparse .config-only checkout (plus explicit lfs: false / submodules: false) avoids a full clone while still satisfying the 1ES TSA SDL requirement.

A couple of minor, non-blocking notes are left inline. Nothing here is a correctness blocker.