Add pre-commit validator for gh actions

[kmontemayor2-sc]

Scope of work done

I found this helpful while developing locally.

We could make this a make/etc rule instead if you'd prefer but IMO that's more setup and having pre-commit do it is convenient :)

Where is the documentation for this feature?: N/A

Did you add automated tests or write a test plan?

Updated Changelog.md? NO

Ready for code review?: NO

[mkolodner-sc]

Can you elaborate more on what this is doing?