Updates dependencies to rocky-testing
Updates dependencies to rocky-testing

Update libraries to match u-c.
- tenacity
- unittest2
- contextlib2
- cmd2
- requests

And add some libraries needed to update cmd2:
- wcwidth
- pyperclip

Change-Id: Ib07de27a00438afd9470bda7028980ac4948b0bc

redhat-openstack/rdoinfo,javierpena/rdoinfo