Updating/work-with this template for GHA feature.

[v-xuto]

We are updating this template to support new features in Github Action.

For the Github Action feature: We will remove two lines of code on container image and add GHA code after checkout step in the .github/workflow/azure-dev.yml file. (Shown as below)

@rajeshkamal5050, @bradygaster, @ahmelsayed for notification.