[BUG]: Tarball/Zipball - Return a Task not any content

[MarkEnverus]

What happened?

https://docs.github.com/en/rest/repos/contents?apiVersion=2022-11-28#download-a-repository-archive-tar downloading a repo gets a Location header and downloads the binary content in Zip/Tar - currently the API only returns a Task so not data is returned https://github.com/octokit/dotnet-sdk/blob/239513db62e94366d8305000f5400096e650e5f8/src/GitHub/Repos/Item/Item/Tarball/Item/WithRefItemRequestBuilder.cs#L48

Versions

.net v8 0.0.14 dotnet-sdk

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