Added correct url

[mikefrobbins]

PR Summary

Fixes AB#408014 - Added correct url

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 6170a99:

✅ Validation status: passed

File	Status	Preview URL	Details
azps-13.3.0/Az.Workloads/Update-AzWorkloadsSapVirtualInstance.md	✅Succeeded	View (azps-13.3.0)

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[mikefrobbins]

The invalid url was previously removed in PR #3526.