Add caracal to codename maps

[freyes]

jammy-caracal, noble-caracal, 2024.1 and noble are being added to their respective codename maps to allow the testing to recognize caracal.

Fixes:

Traceback (most recent call last):
  File "/home/ubuntu/src/review.opendev.org/openstack/charm-neutron-api/.tox/func-target/lib/python3.8/site-packages/zaza/openstack/utilities/openstack.py", line 2010, in get_os_release
    index = OPENSTACK_RELEASES_PAIRS.index(release_pair)
ValueError: 'jammy_caracal' is not in list

[freyes]

Issue found at: https://openstack-ci-reports.ubuntu.com/artifacts/80b/918662/1/check/jammy-caracal/80b2146/job-output.txt (ref: https://review.opendev.org/c/openstack/charm-neutron-api/+/918662 )

[jadonn]

The change looks good to me! Someone else will need to approve for a merge, though.