Update Get-AppxPackageAutoUpdateSettings.md

[RDMacLachlan]

Updated article on Get-AppxPackageAutoUpdateSettings (replaced parameter input from -PackageFullName to -PackageFamilyName)

[opbld30]

Docs Build status updates of commit 33c6bb6:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
docset/winserver2022-ps/appx/Get-AppxPackageAutoUpdateSettings.md	:white_check_mark:Succeeded	View (WindowsServer2022-ps)

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[scanum]

Hi @tiburd hope all is well. Could you please help with this PR? Thanks!