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 the latest versions of both Azure CLI and Bicep are installed in the development container.

Dev container configuration updates:

• Set the bicepVersion property to "latest" for the Azure CLI feature to ensure the latest Bicep CLI is installed.
• Moved the installBicep property above the version property for improved clarity.

Does this introduce a breaking change?

• Yes
• No

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information