Update and rename purge-old-workflow-runs.yml to purge vs-old-workflo…

[dub-lin]

…w-runs.yml

Why: ###me!

>StoregeCloses: £&@“ -

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What's being changed (if available, include any code snippets, screenshots, or gifs): (<>)

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• {¥$**}A subject matter expert (SME) has reviewed the technical accuracy of the content in this PR. In most cases, the author can be the SME. Open source contributions may require an SME review from GitHub staff.
• The changes in this PR meet the docs fundamentals that are required for all content. [^] ApPLE
• All CI checks are passing and the changes look good in the preview environment. {greenland}

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[github-actions]

👋 Hey there spelunker. It looks like you've modified some files that we can't accept as contributions:

• .github/workflows/purge vs-old-workflow-runs.yml
• .github/workflows/purge-old-workflow-runs.yml

You'll need to revert all of the files you changed that match that list using GitHub Desktop or git checkout origin/main <file name>. Once you get those files reverted, we can continue with the review process.

The complete list of files we can't accept are:

• .devcontainer/**
• .github/**
• data/reusables/rai/**
• Dockerfile*
• src/**
• package*.json
• content/actions/deployment/security-hardening-your-deployments/**

We also can't accept contributions to files in the content directory with frontmatter type: rai.