testing/py-*: upgrade to latest
- upgrade all of my
testing/py-*
packages to latest versions - remove
testing/py3-ruamel-yaml
due to being a duplicate ofcommunity/py3-ruamel.yaml
(fixes #15379 (closed)) - remove
testing/py3-ruamel-yaml-clib
due to being a duplicate ofcommunity/py3-ruamel.yaml.clib
Edited by Antoine Martin