docker/pipeline: base Dockerfile.production on k8s:kernelci

Change the base image for kernelci/pipeline to be
kernelci/k8s:kernelci rather than kernelci/kernelci.  This is required
to include all the Kubernetes packages which are needed to run
scheduler-k8s.

We could have different images e.g. kernelci/pipeline:k8s instead but
that would mean more Dockerfile template rework, so this could be done
as a follow-up improvement to optimise Docker images.

Signed-off-by: Guillaume Tucker <[email protected]>

Author: gctucker

docker/pipeline/Dockerfile.production

@@ -3,7 +3,7 @@
 # Copyright (C) 2023 Collabora Limited
 # Author: Guillaume Tucker <[email protected]>
 
-FROM kernelci/kernelci
+FROM kernelci/k8s:kernelci
 MAINTAINER "KernelCI TSC" <[email protected]>
 
 ARG git_url=https://github.com/kernelci/kernelci-pipeline.git