Fixing case issue with PcsvDevice case

[robinharwood]

PR Summary

This PR adjusts the case of the PcvsDevice module to fix Update-Help error due to a mismatch between Learn and Windows client / Server.

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 contributors guide.
• Style: This PR adheres to the style guide.

[learn-build-service-prod]

Learn Build status updates of commit 5bc307a:

✅ Validation status: passed

File	Status	Preview URL	Details
docset/winserver2022-ps/pcsvdevice/PcsvDevice.md	✅Succeeded	View (WindowsServer2022-ps)
docset/winserver2022-ps/pcsvdevice/PCSVDevice.md	✅Succeeded	n/a (file deleted or renamed)

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 4fd7ad3:

✅ Validation status: passed

File	Status	Preview URL	Details
docset/winserver2022-ps/pcsvdevice/PcsvDevice.md	✅Succeeded	View (WindowsServer2022-ps)
docset/winserver2022-ps/pcsvdevice/PCSVDevice.md	✅Succeeded	n/a (file deleted or renamed)

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[sdwheeler]

LGTM

[robinharwood]

Thanks @sdwheeler, merging now.