Update python-httpx to version 0.22.0 / rev 5 via SR 974250
https://build.opensuse.org/request/show/974250
by user StevenK + dimstar_suse
- Add patch CVE-2021-41945-copy_with-data-leak.patch:
* Do not leak data in httpx.URL.copy_with (bsc#1199002, CVE-2021-41945)