Missing support for podman option --userns=keep-id:uid=xxx,gid=xxx can be worked around by using --uidmap and --gidmap

[eriksjolund]

Drive-by comment (I'm not a user of zwift):

Regarding

• zwift/README.md

  Line 22 in 41bd042

  > :warning: **Podman Support 4.3 and Later.**: Podman before 4.3 does not support --userns=keep-id:uid=xxx,gid=xxx and will not start correctly, this impacts Ubuntu 22.04 and related builds such as PopOS 22.04. See Podman Section below.

Missing support for --userns=keep-id:uid=xxx,gid=xxx can be worked around by using --uidmap and --gidmap

For details, see this Podman troubleshooting tip

https://github.com/containers/podman/blob/main/troubleshooting.md#39-podman-run-fails-with-error-unrecognized-namespace-mode-keep-iduid1000gid1000-passed