chore: merge dev into main

[Harmanpreet-Microsoft]

Purpose

This pull request improves how the CreatedBy tag is set and managed in the infra/main.bicep file. The main change is to make the CreatedBy tag more flexible and user-friendly by allowing an optional override and auto-detecting the deployer's identity if not provided. It also adds outputs for easier pre-deployment validation.

Enhancements to tag management and deployment transparency:

• The createdBy parameter is now optional and, if not provided, the deployment will auto-detect a human-readable identity name for the CreatedBy tag, using the deployer's user principal name or object ID as a fallback.
• The CreatedBy tag in the resource group tags is now set to the computed deployerIdentityName instead of the raw createdBy parameter, ensuring it always has a meaningful value.
• New outputs (previewCreatedByTag and previewDeployerInfo) have been added to display what the CreatedBy tag will be and details about the deployer, improving pre-deployment transparency and validation.
• ...

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

• ...

Other Information

[github-actions]

🎉 This PR is included in version 1.0.1 🎉

The release is available on GitHub release

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