[Feature]: add nsv to the list of available chainguard wolfi packages

[purpleclay]

Describe your feature

Raise a PR against the Wolfi OS project to include nsv as a package that can be installed into wolfi base images.

Any additional information?

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[purpleclay]

wolfi-dev/os#38788