[request]: Support presigning for all S3 operations

### A note for the community

### Community Note
* Please vote on this issue by adding a 👍 [reaction](https://blog.github.com/2016-03-10-add-reactions-to-pull-requests-issues-and-comments/) to the original issue to help the community and maintainers prioritize this request
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### Tell us about your request

All S3 requests should be presignable—this is the behavior of the Ruby SDK.

### Tell us about the problem you're trying to solve.

Make a request to S3 from a context where the credentials are not directly available

### Are you currently working around this issue?

routing requests through the server

### Additional context

_No response_

No files, tests, or entry points are named. Review the current S3 presigning entry points and compare them with the Ruby SDK's behavior; done means establishing support for presigning all S3 operations without requiring credentials in the calling context.

Written by the indexing model from the issue text.