feat: Deployment pipeline changes for WAF version

[Prajwal-Microsoft]

Purpose

This pull request significantly refactors the deployment process in the CI workflow to improve automation, reliability, and environment variable management. The major changes include a more robust Helm installation, a new Azure Bicep-based deployment pipeline, enhanced environment variable handling, and improved PowerShell deployment scripts. Unnecessary or redundant steps have been removed for clarity and maintainability.

CI/CD Workflow Improvements:

• Refactored the Helm installation step to check for an existing installation, install prerequisites, and verify the installation, making the process more robust and idempotent. (.github/workflows/CI.yml)
• Replaced the old environment/resource group name generation and Azure resource provisioning steps with a new sequence that installs Bicep and Azure Developer CLI, generates unique resource group and solution prefix names, logs into Azure, creates the resource group if needed, deploys infrastructure using a Bicep template, and extracts outputs to environment variables for downstream steps. (.github/workflows/CI.yml)

Environment Variable and Model Configuration:

PowerShell Deployment Script Enhancements:

• Introduced a new function, Get-AzdEnvValueOrDefault, to fetch environment values from the Azure Developer CLI or GitHub Actions environment, improving reliability and flexibility. (Deployment/resourcedeployment.ps1)
• Refactored the DeploymentResult class to use the new environment variable retrieval function, ensuring all required deployment outputs are consistently and safely loaded. (Deployment/resourcedeployment.ps1)

These changes collectively modernize and streamline the deployment workflow, improve error handling, and ensure that environment variables are managed in a consistent and maintainable way.

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

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Other Information

[github-actions]

🎉 This PR is included in version 1.1.0 🎉

The release is available on GitHub release

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