Fixes #13186 - Add -nologo as an option to suppress the message

[sdwheeler]

PR Summary

Add -nologo as an option to suppress the message

• Fixes AB#601531
• Fixes "Can I disable the message?" is incorrect #13186

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the contributor's guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

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[Copilot]

Pull request overview

Updates the Windows PowerShell update-notification FAQ to reflect that the startup notification can be suppressed, addressing the “Can I disable the message?” guidance.

Changes:

• Updated ms.date to reflect the latest modification date.
• Revised the “Can I disable the message?” answer to mention using -nologo to suppress startup output.

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[learn-build-service-prod]

Learn Build status updates of commit 861b091:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/docs-conceptual/windows-powershell/update-notification-message.yml	✅Succeeded	View (>=powershell-5.1)

For more details, please refer to the build report.