podman: Add suport for Podman V2
Podman V2 introduced some changes in the JSON format of some of its commands[0]. Some changes to the format happened already in the past[1].
With this there should not be need to bump the minimal supported version of Podman to >=v2.0.0.
Closes #1257 (closed)
[0] https://github.com/containers/libpod/pull/5159 [1] https://github.com/containers/libpod/pull/5582
Edited by Ondřej Míchal