PR Summary

build break was a little tricky to find, but there were 2 zip files rather than the expected 1.
This PR will explicitly throw if the wrong number of zip files is found and will be pretty clear about what the problem was.

PR Context

PR Checklist

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• Summarized changes
• Make sure all .h, .cpp, .cs, .ps1 and .psm1 files have the correct copyright header
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  • Experimental feature(s) needed
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  • Not Applicable
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  • Documentation needed
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  • N/A or can only be tested interactively
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