[New Feature]: Add support for package dependencies in validation

[denelon]

Description of the new feature/enhancement

WinGet 1.6 supports dependencies. The validation infrastructure needs to be updated to support manifests with package dependencies.

Proposed technical implementation details (optional)

No response

[mdanish-kh]

[Policy] Area-Validation-Pipeline

[denelon]

Duplicate of #121127

[microsoft-github-policy-service]

Hello @denelon,

We've identified this as a duplicate of another issue or PR that already exists. This specific instance is being closed in favor of the linked issue. Please add your 👍 to the other issue to raise its priority. Thanks for your contribution!

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