self-hosted runners: use latest pwsh version now that arm64 MSIs are available

Starting with version 7.4.3 of PowerShell, Windows arm64 MSIs are added to the releases, so we no longer need to hardcode the preview version.

Ref: https://github.com/PowerShell/PowerShell/releases/tag/v7.4.3
Signed-off-by: Dennis Ameling <[email protected]>

Author: dennisameling

azure-self-hosted-runners/post-deployment-script.ps1

@@ -119,9 +119,7 @@ catch {
 # It contains a bunch of new features compared to "powershell" and is sometimes more stable as well.
 #
 # url for Github API to get the latest release of pwsh
-#
-# TODO update this to /releases/latest once 7.5.0 is out, as it adds support for arm64 MSIs
-[string]$PwshUrl = "https://api.github.com/repos/PowerShell/PowerShell/releases/tags/v7.5.0-preview.2"
+[string]$PwshUrl = "https://api.github.com/repos/PowerShell/PowerShell/releases/latest"
 
 # Name of the MSI file that should be verified and downloaded
 [string]$PwshMsiName = "PowerShell-.*-win-arm64.msi"
@@ -238,10 +236,6 @@ $MsiArguments = "/qn /i  `"$MsiPath`" ADD_PATH=1"
 # Install pwsh using msiexec
 Start-Process msiexec.exe -Wait -ArgumentList $MsiArguments
 
-# TODO remove once 7.5.0 is out
-Write-Output "Copying pwsh-preview.cmd to pwsh.cmd as a temporary measure until 7.5.0 is out..."
-Copy-Item "C:\Program Files\PowerShell\7-preview\preview\pwsh-preview.cmd" "C:\Program Files\PowerShell\7-preview\preview\pwsh.cmd"  
-
 Write-Output "Finished installing pwsh."
 
 # ======================