Feature: Add ability to exclude policy set/initiative child definitions for China policies

[jtracey93]

Overview/Summary

Add ability to exclude policy set/initiative child definitions for China policies via new $excludedPolicySetChildDefinitionsReferenceIds parameter input in Invoke-PolicyToBicep-China.ps1 module and associated functions. Also added known default values to exclude from start based on definition reference IDs

This PR fixes/adds/changes/removes

1. Helps to work towards closure of Bug Report - Unable to deploy Azure China Policy Definitions due to addition of 'Deploy-Budget' Definition #365

Breaking Changes

None

Testing Evidence

As part of this Pull Request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Ensured the resource API versions in .bicep file/s I am adding/editing are using the latest API version possible
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues
• (ALZ Bicep Core Team Only) Associated it with relevant ADO Items
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Performed testing and provided evidence.
• Updated one or more of the following tests (if required)
  • Unit
  • Linting
  • E2E (End-To-End)
  • ValidateAzCloud (Base validation in Azure Cloud)
  • ValidateMcCloud (Base validation in Azure China Cloud)
• Updated relevant and associated documentation (e.g. Contribution Guide, Module READMEs, Wiki Docs etc.)
• If relevant, created or updated Code Tours here

[jtracey93]

/azp run validate

[jtracey93]

/azp run validateazcloud

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Azure Pipelines successfully started running 1 pipeline(s).

[jfaurskov]

LGTM