Updated -LockoutObservationWindow format

[BWMerlin]

Changed -LockoutObservationWindow example format from D:H:M:S.F to D.H:M:S.F so that it is correct and consistent with the other examples provided.

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[BWMerlin]

Issue #3233 was raised for the misuse of a colon after day in the date/time formatting. The only example I could find was from -LockoutObservationWindow

[learn-build-service-prod]

Learn Build status updates of commit 5559d26:

✅ Validation status: passed

File	Status	Preview URL	Details
docset/winserver2022-ps/activedirectory/Set-ADDefaultDomainPasswordPolicy.md	✅Succeeded	View (WindowsServer2022-ps)

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[get-itips]

Can you please make the same edit for the other OS Versions of the article? Thanks