Use prebuilt CI image (second try)

Second try after reverted !94 (merged)

Use image built especially in https://gitlab.com/sylva-projects/sylva-elements/container-images/runner-aas-image
Prerequisite for #11

tested here: https://gitlab.com/sylva-projects/sylva-elements/ci-tooling/runner-aas/-/pipelines/2189343593