Update src/ci/scripts/free-disk-space-windows.ps1

Co-authored-by: Marco Ieni <[email protected]>

Author: ChrisDenton

src/ci/scripts/free-disk-space-windows.ps1

@@ -31,4 +31,5 @@ foreach ($job in Get-Job) {
 Get-Volume | Out-String | Write-Output
 
 $saved = ($(Get-Volume C).SizeRemaining - $available) / 1gb
-Write-Output "total space saved $saved GB"
+$savedRounded = [math]::Round($saved, 3)
+Write-Output "total space saved: $savedRounded GB"