SPN Guidance and Elevation - Feedback Issue 145

[4pplied]

Overview/Summary

Further guidance on SPN creation and elevation to management root management group in preparation for automation. relates

This PR fixes/adds/changes/removes

1. Updates the DeploymentFlow.MD in the Wiki with relevant information
2. Further guidance in accordance to 👂 Feedback - Adding a Service Principal to deploy ALZ-Bicep. -- Pre-Requisites to Wiki #145

Breaking Changes

1. Updated guidance on how to use SPNs for automation and management group RBAC

Testing Evidence

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 tests (if required) Unit - Linting - E2E (End-To-End)
• 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 e2e

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