S3.head_object uses deprecated HEAD request form #581
Description
It was a bit of a pain to track this down because the depwarning doesn't give a correct location
┌ Warning: Using "HEAD" in AWS requests to return headers is deprecated, use `@service S3 use_response_type=true` to return an `AWS.Response` allowing for header access via `response.headers`.
│ caller = ip:0x0
└ @ Core :-1
But it turns out that S3.head_object uses a deprecated request form
Line 3120 in de0d4c3
So the user can hit this without doing anything wrong AFAICT