Fix indentation of build_and_push_images
I saw this while promoting the train today:
18:29:19 Started build-and-push-container-images 18:29:19 Finished build-and-push-container-images (duration: 00m 00s) 18:29:19 K8s images build/push output redirected to /home/dancy/scap-image-build-and-push-log 18:29:51 Started docker pull on k8s nodes