fix: fall back to PowerShell Get-CimInstance when wmic is unavailable on Windows 11

[Copilot]

wmic was deprecated and has been removed from some Windows 11 installations, causing a SEVERE IOException on startup when getProcessorNameWindows() tried to spawn it.

Changes — UtilOs.java

• Split exception handling in getProcessorNameWindows(): IOException (process not found) is now caught separately from InterruptedException, logged at WARNING, and triggers a PowerShell fallback instead of swallowing the error.
• Added getProcessorNameWindowsPowerShell(): runs the modern equivalent command when wmic is absent.

// wmic path (unchanged, still tried first for older Windows)
ProcessBuilder pb = new ProcessBuilder("wmic", "cpu", "get", "Name");

// new fallback when wmic throws IOException
ProcessBuilder pb = new ProcessBuilder(
    "powershell.exe", "-Command",
    "Get-CimInstance -Class Win32_Processor | Select-Object -ExpandProperty Name");

Systems with wmic available are unaffected. On Windows 11 without wmic, the app now retrieves the processor name cleanly instead of logging a spurious SEVERE error at launch.

Original prompt

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This section details on the original issue you should resolve

<issue_title>bug: io exception running wmic 0.7.0-rc1 win11</issue_title>
<issue_description>launch error on 0.7.1-rc1

2026-03-03T19:29:38.587: Active GC: ZGC
Mar 03, 2026 7:29:38 PM jdiskmark.UtilOs getProcessorNameWindows
SEVERE: null
java.io.IOException: Cannot run program "wmic": CreateProcess error=2, The system cannot find the file specified
        at java.base/java.lang.ProcessBuilder.start(Unknown Source)
        at java.base/java.lang.ProcessBuilder.start(Unknown Source)
        at jdiskmark.UtilOs.getProcessorNameWindows(UtilOs.java:724)
        at jdiskmark.Util.getProcessorName(Util.java:267)
        at jdiskmark.App.init(App.java:218)
        at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)

program still started and was usable

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes bug: io exception running wmic 0.7.0-rc1 win11 #146

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[lane1995]

resolves process info on system wo wmic