[Ubuntu] Change destination for toolcache assets (#8485)

Author: vpolikarpov-akvelon

images/linux/scripts/installers/Install-Toolset.ps1

@@ -14,7 +14,7 @@ Function Install-Asset {
     wget $ReleaseAsset.download_url -nv --retry-connrefused --tries=10
 
     Write-Host "Extract $($ReleaseAsset.filename) content..."
-    $assetFolderPath = Join-Path $env:INSTALLER_SCRIPT_FOLDER $($ReleaseAsset.filename)
+    $assetFolderPath = Join-Path "/tmp" $($ReleaseAsset.filename)
     New-Item -ItemType Directory -Path $assetFolderPath
     tar -xzf $ReleaseAsset.filename -C $assetFolderPath