VCPKG binary caching fails to upload to Azure DevOps feed after interactive authentication

Describe the bug
Binary caching with nuget fails when attempting to upload package to Azure DevOps Artifacts feed.

Environment

• OS: Windows 10
• Compiler: MSVC 19.28.29334.0
• VCPKG 2020.11-1

To Reproduce
Steps to reproduce the behavior:

1. $env:VCPKG_BINARY_SOURCES='clear;nuget,https://pkgs.dev.azure.com/.../v3/index.json,readwrite;interactive'
2. vcpkg install --triplet x64-windows-static --x-manifest-root C:\Temp\Test --debug
3. See error
   Repro code when

Expected behavior
New nuget package should be uploaded to Azure DevOps artifact feed

Failure logs
Response status code does not indicate success: 400 (Bad Request - The request to the server did not include the header X-NuGet-ApiKey, but it is required even though credentials were provided. If using NuGet.exe, use the -ApiKey option to set this to an arbitrary value, for example "-ApiKey AzureDevOps"

The workaround provided in the comment below fixes the problem;

https://devblogs.microsoft.com/cppblog/vcpkg-accelerate-your-team-development-environment-with-binary-caching-and-manifests/#comment-1403