fix: install latest bicep via CLI

[AjitPadhi-Microsoft]

Purpose

• This pull request updates the Azure CLI feature configuration in the .devcontainer/devcontainer.json file to ensure that Bicep is installed alongside the latest version of Azure CLI. This will provide developers with the most up-to-date tools for working with Azure infrastructure as code.

Dev container configuration improvements:

• Configured the Azure CLI feature to install Bicep by default and set both the Azure CLI and Bicep to use their latest versions, improving the development environment for Azure-related workflows.

Does this introduce a breaking change?

• Yes
• No

Golden Path Validation

• I have tested the primary workflows (the "golden path") to ensure they function correctly without errors.

Deployment Validation

• I have validated the deployment process successfully and all services are running as expected with this change.

What to Check

Verify that the following are valid

• ...

Other Information