Container policy prevents loading images from docker-compose / buildkit

[detjensrobert]

Similar to #82, but this time for docker-archive and oci-archive.

The relevant podman service error:

Request Failed(Internal Server Error): failed to load image: payload does not match any of the supported image formats:
 * oci: initializing source oci:/var/tmp/api_load.tar1127186901:: open /var/tmp/api_load.tar1127186901/index.json: not a directory
 * oci-archive: Source image rejected: Running image oci-archive:/var/tmp/api_load.tar1127186901: is rejected by policy.
 * docker-archive: Source image rejected: Running image docker-archive:/var/tmp/api_load.tar1127186901:docker.io/library/tyk-testing:latest is rejected by policy.
 * dir: open /var/tmp/api_load.tar1127186901/manifest.json: not a directory%