ci: Added reusable workflows for Windows and Linux deployments

[Vamshi-Microsoft]

Purpose

This pull request introduces a new GitHub Actions workflow for Windows deployments and enhances the schema registration script to better support CI/CD automation. The most significant changes include the addition of a configurable workflow for deploying and testing on Windows, and improvements to the PowerShell schema registration script for integration with GitHub Actions.

CI/CD Workflow Improvements:

• Added .github/workflows/deploy-v2-windows.yml to provide a reusable, configurable Windows deployment workflow. This includes support for various Azure locations, resource group management, WAF and EXP toggles, Docker image building, resource cleanup, multiple end-to-end test options, and integration with other Azure resources.

Schema Registration Automation:

• Enhanced register_schema.ps1 to set GitHub Actions outputs with schema IDs if running in a GitHub Actions environment, enabling downstream workflow steps to consume these values programmatically.

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.