GitHub doc links failing for markdown-link-check

[rajsite]

Checking links for GitHub docs is disabled because they all return 403s with markdown-link-check like the following:

FILE: ./docs/Workflow.md
[✖] https://help.github.com/articles/about-collaborative-development-models/
[✖] https://help.github.com/fork-a-repo/
[✖] https://help.github.com/articles/fork-a-repo/#step-2-create-a-local-clone-of-your-fork
[✖] https://help.github.com/articles/fork-a-repo/#step-3-configure-git-to-sync-your-fork-with-the-original-spoon-knife-repository
[✓] https://github.com/ni/VireoSDK
[✓] Test.md
[✓] https://www.nuget.org/downloads
[✓] https://docs.microsoft.com/en-us/nuget/consume-packages/ways-to-install-a-package
[✓] https://github.com/Microsoft/vscode-cpptools/blob/master/Documentation/Getting%20started%20with%20IntelliSense%20configuration.md

9 links checked.

ERROR: 4 dead links found!
[✖] https://help.github.com/articles/about-collaborative-development-models/ → Status: 403
[✖] https://help.github.com/fork-a-repo/ → Status: 403
[✖] https://help.github.com/articles/fork-a-repo/#step-2-create-a-local-clone-of-your-fork → Status: 403
[✖] https://help.github.com/articles/fork-a-repo/#step-3-configure-git-to-sync-your-fork-with-the-original-spoon-knife-repository → Status: 403

Should find a workaround to enable validating GItHub doc links. Created the following GitHub Community question: https://github.community/t/github-docs-returning-403-forbidden/256188