[Feature Request]: Dry run option -WhatIf

### The request

In order to be able to test the updates without actually installing anything, I'd like a -WhatIf option to command line use of User-Run.ps1 to show me what the system thinks should be updated.

### Is your feature request related to a problem?

```txt
I'd like to be able to test the code without modifying the system I'm on.
```

### Additional information

_No response_