[Task]Review - Azure Kubernetes Service Node Image Upgrade Guide for Choreo shared (non-private) environment for Choreo SRE

[chamindi-a]

Description:
Review - Azure Kubernetes Service Node Image Upgrade Guide for Choreo shared (non-private) environment doc for the Choreo SRE team.

[chirangaalwis]

Adding low priority label as this is no longer needed immediately.

Needed as a SRE toil runbook for long term.