When the primary keystone is deployed with rocky and python3 the charm
fails to install the correct python3 packages and use the correct
clients.
Note: A related bug #1798184, will cause the tests to fail. A complete
Rocky python3 solution is dependent on #1798184 being resolved.
Change-Id: I42d8a5bfff3200d18e7bad0bd29edf12aa6a05c7
Closes-Bug: #1806111