Force trusted registration of PSGallery

Author: andyleejordan

tools/installPSResources.ps1

@@ -1,10 +1,12 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
+Register-PSResourceRepository -PSGallery -Trusted -Force
 if ($PSVersionTable.PSVersion.Major -lt 6) {
     throw "The build script requires PowerShell 7!"
 }
 
-# TODO: Switch to Install-PSResource when CI uses PowerShell 7.4
-Install-Module -Name InvokeBuild -Scope CurrentUser
-Install-Module -Name platyPS -Scope CurrentUser
+Write-Host $PSVersionTable
+
+Install-PSResource -Name InvokeBuild -Scope CurrentUser
+Install-PSResource -Name platyPS -Scope CurrentUser