double quote when passing env var values

[garrettrowell]

Summary

Double quote the values of environment variables to ensure values containing spaces are properly passed.

https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_hash_tables?view=powershell-7.4#iterating-over-keys-and-values

Checklist

• [ ] 🟢 Spec tests.
• [ ] 🟢 Acceptance tests.
• [x] Manually verified.

[jordanbreen28]

@garrettrowell thanks for this, nice catch. Could you rebase off main to get rid of the merge commit and we'll go ahead and merge this in?

[garrettrowell]

@jordanbreen28 thanks, this should be rebased now