Fixes #11155 - Fix xref link to UrlEncode()

[sdwheeler]

PR Summary

Fix xref link to UrlEncode()

• Fixes AB#261196
• Fixes Explain URL encoding when passing query parameters to body #11155

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 4e8a16d:

✅ Validation status: passed

File	Status	Preview URL	Details
reference/7.2/Microsoft.PowerShell.Utility/Invoke-RestMethod.md	✅Succeeded	View (powershell-7.2)
reference/7.2/Microsoft.PowerShell.Utility/Invoke-WebRequest.md	✅Succeeded	View (powershell-7.2)
reference/7.4/Microsoft.PowerShell.Utility/Invoke-RestMethod.md	✅Succeeded	View (powershell-7.4)
reference/7.4/Microsoft.PowerShell.Utility/Invoke-WebRequest.md	✅Succeeded	View (powershell-7.4)
reference/7.5/Microsoft.PowerShell.Utility/Invoke-RestMethod.md	✅Succeeded	View (powershell-7.5)
reference/7.5/Microsoft.PowerShell.Utility/Invoke-WebRequest.md	✅Succeeded	View (powershell-7.5)

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