CP adding AWS dependency to IO expansion service

[ahmedabu98]

CP for #38111

[ahmedabu98]

R: @Amar3tto can we get this in too?

[github-actions]

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[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request integrates AWS support into the IO expansion service by introducing a new runtime dependency. This change is essential for allowing the service to leverage AWS file system capabilities, particularly for operations related to Iceberg's file management features.

Highlights

• AWS Dependency Added: A runtimeOnly dependency on the amazon-web-services2 project has been added to the sdks/java/io/expansion-service/build.gradle file. This addition is specifically noted to enable FileSystem usage by Iceberg AddFiles.

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