feat: Add weekly schedule for Azure Template validation,split azure-dev to azure-dev,azd-template

[Tejasri-Microsoft]

This pull request restructures the GitHub Actions workflows to separate template validation and deployment processes. The main changes include moving the Azure Developer (AZD) template validation to its own scheduled workflow and updating the deployment workflow to trigger on pushes to the main branch and on manual dispatch. This improves clarity, maintainability, and automation of CI/CD processes.

Workflow separation and improvements:

• Added a new workflow .github/workflows/azd-template-validation.yml dedicated to AZD template validation, scheduled to run weekly and on manual dispatch. This workflow uses the microsoft/template-validation-action and outputs validation results.
• Updated .github/workflows/azure-dev.yml to focus solely on deployment, renaming it to "Azure Dev Deploy", and setting it to trigger on pushes to main and manual dispatch. The validation steps were removed from this workflow.

Deployment process enhancements:

• Enhanced the deployment workflow by adding steps to install the azd CLI, log in to Azure, authenticate with AZD, and run azd up for provisioning and deployment.
• Updated environment variables and permissions to match the new workflow structure and deployment requirements.## Purpose

• ...

Does this introduce a breaking change?

• Yes
• [ x] No

Golden Path Validation

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

Deployment Validation

• [x ] 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

[Copilot]

Pull request overview

Restructures GitHub Actions CI/CD by separating Azure Developer CLI (AZD) template validation into its own scheduled workflow and turning the existing workflow into a deployment-only pipeline targeting main.

Changes:

• Added a dedicated scheduled/manual workflow for AZD template validation using microsoft/template-validation-action.
• Updated the existing azure-dev.yml workflow to deploy on push to main (and manual dispatch) using azd up.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
.github/workflows/azure-dev.yml	Converts workflow from template validation to main-branch deployment using azd + Azure OIDC login.
.github/workflows/azd-template-validation.yml	New workflow that runs template validation weekly and on-demand, printing the validation result.

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[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

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[github-actions]

🎉 This PR is included in version 1.0.4 🎉

The release is available on GitHub release

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