Update python-tempestconf to 2.4.0 in Rocky
Update python-tempestconf to 2.4.0 in Rocky

The review updates the tag for python-tempestconf to
2.4.0 version in Rocky.

Change-Id: I993a2cdd4d48fbc6e85a3c2d1756d23961dd7d08

redhat-openstack/rdoinfo