sdcp-device: Use a key DB for testing

1 job for feature/sdcp in 19 seconds (queued for 11 seconds)
Name Stage Failure
container_fedora_build Build
Writing manifest to image destination
Storing signatures
$ buildmnt=$(buildah mount $buildcntr)
$ $BUILDAH_RUN $buildcntr dnf upgrade -y --setopt=install_weak_deps=False --nogpgcheck fedora-release fedora-repos*
python3: allocatestack.c:193: advise_stack_range: Assertion `freesize < size' failed.
subprocess exited on aborted
subprocess exited with status 1
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1