This issue has been mentioned in the podman repo on github. Culprit seems to be rosetta 2 and some node workloads. Doesn't seem to be resolved at this time.

Next.js next build churns CPU forever in linux/amd64 container on arm64 silicon mac #23269

"Use Rosetta": Certain node.js/amd64 workloads cause container to become unresponsive/100% CPU