Set-PSResourceRepository API version to unknown

[ThomasNieto]

Prerequisites

• [X] Write a descriptive title.
• [X] Make sure you are able to repro it on the latest released version
• [X] Search the existing issues.

Steps to reproduce

Is there a valid workflow in letting a user set the API version of a repository to unknown? If not then that should be removed as a valid value.

Expected behavior

^

Actual behavior

^

Error details

No response

Environment data

7.4-preview5
rc1

Visuals

No response