Azure-docs: Specify where the Azure update channels can be found

[nphmuller]

"...an announcement is made through the Azure update channels"
Please specify where I can find these channels.

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Document Details

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• ID: ec484163-5d73-af3a-3d7b-9e0d421d2824
• Version Independent ID: 42da7aed-a33d-e331-fb7f-4fb4b40e5813
• Content: Supported Kubernetes versions in Azure Kubernetes Service
• Content Source: articles/aks/supported-kubernetes-versions.md
• Service: container-service
• GitHub Login: @sauryadas
• Microsoft Alias: saudas

[sauryadas]

https://azure.microsoft.com/en-us/updates/?product=kubernetes-service

[nphmuller]

@sauryadas Thanks! Obvious in hindsight. 😬
But it would still be nice to have that link in the docs, of course.

[iainfoulds]

@sauryadas Should this suggestion be added? I can push a PR to quick add the link to the Azure updates page.

[sauryadas]

@iainfoulds Sure.. thanks

[iainfoulds]

Added link to the Azure update channel. This change should publish later on this afternoon.