integration_tests.yml: use handle.exe to check what processes have ha…

…ndles

.github/workflows/integration_tests.yml

@@ -55,6 +55,15 @@ jobs:
       working-directory: Release/ImperatorToCK3
       run: |
         dotnet ImperatorToCK3Converter.dll
+
+    - name: "Check file handles"
+    # check what processes have handles to the files in the Github workspace dir
+      run: |
+        Get-ChildItem -Path $Env:GITHUB_WORKSPACE -Recurse -Force | ForEach-Object {
+            Write-Host ""
+            Write-Host "Checking handles for $($_.FullName)"
+            c:\sysinternals\handle.exe -a -nobanner $_.FullName
+        }
     - name: "Cleanup"
       if: always()
       run: |