Log Message:
py-httpx: updated to 0.22.0

0.22.0

Added

* Support for [the SOCKS5 proxy \ 
protocol](https://www.python-httpx.org/advanced/#socks) via [the `socksio` \ 
package](https://github.com/sethmlarson/socksio).
* Support for custom headers in multipart/form-data requests

Fixed

* Don't perform unreliable close/warning on `__del__` with unclosed clients.
* Fix `Headers.update(...)` to correctly handle repeated headers