Added Red Team tests and pushed new recordings

[posaninagendra]

Description

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All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

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• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[Copilot]

Pull Request Overview

This PR adds comprehensive Red Team testing functionality to the Azure AI Projects SDK, implementing both synchronous and asynchronous test cases for security vulnerability scanning. The changes include new test files with complete test coverage for Red Team operations and updated test recordings.

• Adds Red Team security testing capabilities with create, get, and list operations
• Implements both sync and async test variants for comprehensive coverage
• Includes robust validation logic for Azure ML properties and Red Team response structure

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
test_redteams_async.py	New async test file implementing Red Team scan operations with proper async/await patterns
test_redteams.py	New sync test file implementing Red Team scan operations for synchronous client usage
test_base.py	Enhanced base test class with Red Team validation methods and test parameters
assets.json	Updated test recording assets tag to include new Red Team test recordings