Fix version typos

[sdwheeler]

PR Summary

Fix version typos

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]

PoliCheck Scan Report

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[Copilot]

Pull request overview

This PR corrects version-related typos in PowerShell 7.6 documentation to reflect the current preview.6 release and its underlying .NET version.

• Updates .NET version reference from the incorrect "9.0.101" to "10.0.0"
• Updates PowerShell Preview winget version from 7.6.0.5 to 7.6.0.6 (corresponding to preview.6)
• Refreshes documentation dates to the current date (12/17/2025)

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
What-s-New-in-PowerShell-76.md	Corrects .NET version to 10.0.0 and updates document date
install-powershell-on-windows.md	Updates PowerShell Preview version to 7.6.0.6 in winget output example and refreshes document date

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[learn-build-service-prod]

Learn Build status updates of commit 995bd2d:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/docs-conceptual/install/install-powershell-on-windows.md	✅Succeeded	View (>=powershell-5.1)
reference/docs-conceptual/whats-new/What-s-New-in-PowerShell-76.md	✅Succeeded	View (>=powershell-5.1)

For more details, please refer to the build report.