TT#182950 Refresh Jenkins configuration
TT#182950 Refresh Jenkins configuration

This is what we're actually using nowadays, including
support for Ubuntu 22.04/jammy, and Ubuntu/precise 12.04 LTS
build node being dropped.

Change-Id: I2d145b91a3e497c4da9dbe8adfefd3f3013fed71

sipwise/kamailio-deb-jenkins,sipwise/kamailio-deb-jenkins