Fixed empty online links blocking daily release

[isra-fel]

Description

The errors were detected but did not block the PR validation. Need to follow up. For example: #28623

-------------------- Start generating help ... --------------------
MSBuild version 17.11.48+02bf66295 for .NET
  Running help generation...
  
  Target      : Invoke-AzSearchNetworkSecurityPerimeterConfigurationReconcile.md
  Description : Online version in the header of the file is incorrect. The corresponding URL should be the following: htt
                ps://learn.microsoft.com/powershell/module/az.search/invoke-azsearchnetworksecurityperimeterconfiguration
                reconcile
  
  Target      : Invoke-AzSearchServiceUpgrade.md
  Description : Online version in the header of the file is incorrect. The corresponding URL should be the following: 
                https://learn.microsoft.com/powershell/module/az.search/invoke-azsearchserviceupgrade
  
  Exception: D:\a\_work\1\s\tools\GenerateHelp.ps1:74
  Line |
    74 |          throw "A markdown file containing the help for a cmdlet is in .
       |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       | A markdown file containing the help for a cmdlet is incomplete. Please check the exceptions provided for more
       | details.
D:\a\_work\1\s\build.proj(205,5): error MSB3073: The command "pwsh -NonInteractive -NoLogo -NoProfile -Command "Set-Variable -Name ProgressPreference -Value 'SilentlyContinue';. D:\a\_work\1\s\tools/GenerateHelp.ps1 -ValidateMarkdownHelp -GenerateMamlHelp -BuildConfig Debug"" exited with code 1.
-------------------- End generating help ... --------------------

Mandatory Checklist

• Please choose the target release of Azure PowerShell. (⚠️Target release is a different concept from API readiness. Please click below links for details.)

  • General release
  • Public preview
  • Private preview
  • Engineering build
  • No need for a release

• Check this box to confirm: I have read the Submitting Changes section of CONTRIBUTING.md and reviewed the following information:

• SHOULD update ChangeLog.md file(s) appropriately
  • Update src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md.
    • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header in the past tense.
  • Should not change ChangeLog.md if no new release is required, such as fixing test case only.
• SHOULD regenerate markdown help files if there is cmdlet API change. Instruction
• SHOULD have proper test coverage for changes in pull request.
• SHOULD NOT adjust version of module manually in pull request

[azure-client-tools-bot-prd]

Thanks for your contribution! The pull request validation has started. Please revisit this comment for updated status.

[Copilot]

Pull Request Overview

This PR fixes missing online documentation links in markdown help files that were causing build failures during help generation. The help generation step was detecting empty online version: fields and throwing errors, blocking the daily release process.

Key Changes:

• Added proper Microsoft Learn documentation URLs to the online version field in five cmdlet help files
• Fixed validation errors in both Az.SignalR and Az.Search modules

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/SignalR/SignalR/help/Remove-AzSignalRNetworkIpRule.md	Added online documentation link for Remove-AzSignalRNetworkIpRule cmdlet
src/SignalR/SignalR/help/New-AzSignalRNetworkIpRuleObject.md	Added online documentation link for New-AzSignalRNetworkIpRuleObject cmdlet
src/SignalR/SignalR/help/Add-AzSignalRNetworkIpRule.md	Added online documentation link for Add-AzSignalRNetworkIpRule cmdlet
src/Search/Search/help/Invoke-AzSearchServiceUpgrade.md	Added online documentation link for Invoke-AzSearchServiceUpgrade cmdlet
src/Search/Search/help/Invoke-AzSearchNetworkSecurityPerimeterConfigurationReconcile.md	Added online documentation link for Invoke-AzSearchNetworkSecurityPerimeterConfigurationReconcile cmdlet