Fix path of Developer Powershell for VS2022

[marshall777]

Hello,

The path provided for the Developer Powershell script for VS2022 is wrong.
It is correct on the other parts of the article so I suppose this one was simply missed.

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[learn-build-service-prod]

Learn Build status updates of commit 190b310:

✅ Validation status: passed

File	Status	Preview URL	Details
docs/ide/reference/command-prompt-powershell.md	✅Succeeded

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[Copilot]

Pull request overview

This PR corrects the documented filesystem path for launching Developer PowerShell for VS 2022 so it matches the actual Visual Studio 2022 installation directory layout.

Changes:

• Fix the VS 2022 Launch-VsDevShell.ps1 path from ...\Microsoft Visual Studio\18\... to ...\Microsoft Visual Studio\2022\....

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[ttorble]

@Mikejo5000

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
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