Add NSG to AzureBastionSubnet - Fixing #240

[jtracey93]

Overview/Summary

This PR adds an NSG to the AzureBastionSubnet

This PR fixes/adds/changes/removes

1. Fixes 💡 Feature Request - Add NSGs to AzureBastionSubnet #240 by adding NSG to AzureBastionSubnet

Breaking Changes

None

Testing Evidence

Tested in my own environment and deployed successfully.

PR Tests will confirm also

As part of this Pull Request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• 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)
• 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 validateazcloud

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[jtracey93]

/azp run e2e

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[jtracey93]

Markdown link check failure is a false positive.

[jfaurskov]

LGTM