Log Message:
www/hs-http-conduit: update to http-conduit-2.3.9.1

## 2.3.9.1

* data-default-class -> data-default \ 
[#546](https://github.com/snoyberg/http-client/pull/546/files)

## 2.3.9

* Fix space leaks when closing responses \ 
[#539](https://github.com/snoyberg/http-client/pull/539)