oc-mirror fails to  on arm64 platform with error : Rendering catalog image "ec2-18-224-73-36.us-east-2.compute.amazonaws.com:5000/arm/home/ec2-user/ocmtest/oci-multi-index:1fb06f" with file-based catalog 
Rendering catalog image "ec2-18-224-73-36.us-east-2.compute.amazonaws.com:5000/arm/redhat/community-operator-index:v4.13" with file-based catalog 
error: error rebuilding catalog images from file-based catalogs: error regenerating the cache for ec2-18-224-73-36.us-east-2.compute.amazonaws.com:5000/arm/redhat/community-operator-index:v4.13: fork/exec /home/ec2-user/ocmtest/oc-mirror-workspace/src/catalogs/registry.redhat.io/redhat/community-operator-index/v4.13/bin/usr/bin/registry/opm: exec format error

always 

1.  Clone the repo to arm64 cluster and build oc-mirror;
2. Copy the catalog index to localhost ;
`skopeo copy --all  --format oci  docker://registry.redhat.io/redhat/redhat-operator-index:v4.13 oci:///home/ec2-user/ocmtest/oci-multi-index  --remove-signatures`
3.  Run the oc-mirror command :
apiVersion: mirror.openshift.io/v1alpha2
kind: ImageSetConfiguration
archiveSize: 16
mirror:
  operators:
  - catalog: oci:///home/ec2-user/ocmtest/oci-multi-index
    full: false # only mirror the latest versions
    packages:
    - name: cluster-logging
  - catalog: registry.redhat.io/redhat/community-operator-index:v4.13
    full: false # only mirror the latest versions
    packages:
    - name: namespace-configuration-operator
`oc-mirror --config config-413.yaml docker://xxxx:5000/arm --dest-skip-tls` 

No errors and succeed