Format .github Directory

[ncalteen]

👋🏻 Hello from another Hubber!

This PR is meant to update the contents of the .github directory for formatting/readability. I had noticed that the existing .prettierrc.json was configured with the TypeScript parser, causing it to not apply formatting to non-.ts files.

I had also noticed that several actions were out of date (e.g. actions/checkout, actions/download-artifact, and actions/upload-artifact), so those have been updated as well.

Lastly, I modified the file and workflow names to be more descriptive and (hopefully) easier to troubleshoot.

I didn't want to create too large of a PR, hence the updates only being applied to the .github directory. If the this PR is approved, I can submit further ones for the rest of the repository.

🥂

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