Refactor: Use await using for packageVersionStream to ensure proper disposal of async resources

[dexcompiler]

Summary

This PR refactors the ResolvePackageVersions method to use await using for packageVersionStream. This change ensures proper disposal of async resources, improving the reliability and performance of the application.

Details

• Updated the ResolvePackageVersions method to use await using for packageVersionStream.
• This change ensures that the stream is properly disposed of even if an exception occurs, following best practices for asynchronous resource management.

[linux-foundation-easycla]

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• ✅ login: dexcompiler / name: Dexter Ajoku (43d9a65)