Fix the error where the symbol link cannot be correctly parsed when moving the flutter cache to another location using symbol links

[frg2089]

Fix the error where the symbol link cannot be correctly parsed when moving the flutter cache to another location using symbol links

[Tienisto]

Hello, can you make a pull request in https://github.com/irondash/cargokit/blob/main/cmake/resolve_symlinks.ps1 ?

I don't know if your change is an improvement because I dont know much about powershell.