fix: replace docker hub v1 api with podman search

[ntorga]

Current image remote search relies on DockerHub v1 API which was taken offline. We need to replace it with podman search and figure it out a way to get the pull count, isa, description, logo etc.

$ podman search --format "json" --limit 10 nginx
[
    {
        "Index": "registry.fedoraproject.org",
        "Name": "registry.fedoraproject.org/f29/nginx",
        "Description": "",
        "Stars": 0,
        "Official": "",
        "Automated": "",
        "Tag": ""
    },