Alpine 3.16 EOL

[samruddhikhandale]

• Create a release (if necessary - which ensures images are up to date before deprecating )
• Open a PR
• Update templates (if necessary)
• Update [Tracking] Image support, deprecation / EOL dates #90
• Update Microsoft Artifact Registry docs

[gauravsaini04]

Have raised corresponding work pr's for mcr docs updation, templates updation, images updation

[samruddhikhandale]

Closing as completed.