jenkins_jobs: move them in from customizations project

To be able to keep self contained project, move in jenkins
jobs from `apertis-image-customizations`.

Signed-off-by: Héctor Orón Martínez <hector.oron@collabora.co.uk>
Reviewed-by: Emanuele Aina <emanuele.aina@collabora.com>
Differential Revision: https://phabricator.apertis.org/D7396