[Feature] Automatic Node Image Upgrade for node versions

[palma21]

Providing an opt-in feature for Automated Node Upgrade
Automating the Node Upgrade feature ->#893

https://docs.microsoft.com/en-us/azure/aks/upgrade-cluster#set-auto-upgrade-channel

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[ezYakaEagle442]

Hi @jluk and @palma21 any update on this issue please ?