Fix PutPayloadMut::push not updating content_length (#5743) #5744
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Which issue does this PR close?
Closes #5743
Rationale for this change
PutPayloadMut was not correctly updating its content size, so WriteMultipart if solely used with
put
was incorrectly thinking that there was nothing to write and never uploading anything. Our existing tests always used a combination of push and extend_from_slice and so didn't run into this.As this is a pretty major bug introduced in 0.10.0, once merged I intend to prepare a patch release, and once cut will yank the broken release
What changes are included in this PR?
Are there any user-facing changes?