fix: Deployment script issue

[Pavan-Microsoft]

Purpose

This pull request updates the infrastructure deployment templates to improve support for backend identity management and AI agent endpoint configuration. The main changes include switching API versions to keep resources up to date, introducing a new backend user-assigned identity, and exposing a new AI agent endpoint as a Key Vault secret. These updates enhance security and integration for backend services and AI agents.

Identity and Role Management Updates:

• Replaced the sqlUserAssignedIdentity resource and variable with backendUserAssignedIdentity, including changes to variable names, resource definitions, and parameter usage throughout the template. [1] [2]
• Added new role assignments for the backendUserAssignedIdentity to Cognitive Services, ensuring proper access for backend operations. [1] [2]

Key Vault and AI Endpoint Enhancements:

• Added a new secret AZURE-AI-AGENT-ENDPOINT to Key Vault, exposing the AI agent endpoint for downstream services. [1] [2]

API Version Upgrades:

• Updated the API version for all resource deployments from 2022-09-01 to 2025-04-01 to ensure compatibility with the latest Azure features and security updates. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15]

Template and Metadata Updates:

• Updated Bicep generator version and template hashes to reflect the latest tooling and code generation. [1] [2] [3] [4] [5] [6]

Secure Output References:

• Updated secure value references for CosmosDB and Storage Account keys to use the new API version. [1] [2]

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.

[github-actions]

🎉 This PR is included in version 3.15.0 🎉

The release is available on GitHub release

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