Update free-disk-space-windows.ps1

Author: ChrisDenton

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

@@ -12,7 +12,8 @@ $dirs = 'C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\Llvm'
 'C:\Program Files\Mozilla Firefox', 'C:\Program Files\MySQL', 'C:\Julia',
 'C:\Program Files\MongoDB', 'C:\Program Files\Azure Cosmos DB Emulator',
 'C:\Program Files\PostgreSQL', 'C:\Program Files\Unity Hub',
-'C:\Strawberry', 'C:\hostedtoolcache\windows\Java_Temurin-Hotspot_jdk'
+'C:\Strawberry', 'C:\hostedtoolcache\windows\Java_Temurin-Hotspot_jdk',
+'C:\does not exist'
 
 foreach ($dir in $dirs) {
     Remove-Item -Recurse -Force -ErrorAction Continue $dir &
@@ -21,7 +22,10 @@ foreach ($dir in $dirs) {
 # Wait for deletion to finish
 Get-Job -State Running | Wait-Job
 # Print any errors
-Get-Job | Receive-Job | Write-Output
+$warnings = Get-Job | Receive-Job
+foreach ($warning in $warnings) {
+    Write-Ouptut "::warning $warning"
+}
 # Cleanup finished jobs
 Get-Job | Remove-Job