molecule-podman does not honor pull parameter

[wouterhummelink]

On the docker driver it's supported to specify if the base image should be pulled or not. The podman driver does not, causing image updates in our pipeline not to occur.

[javierpena]

I think this could be fixed by adding a line like the following in the block at https://github.com/ansible-community/molecule-podman/blob/master/lib/molecule_podman/playbooks/create.yml#L89-L109 :

{% if item.pull is defined and item.pull %}--pull always{% elif item.pull is defined and not item.pull %}--pull never{% endif %}

@ssbarnea what do you think?

[ssbarnea]

Probably, make a PR. Sadly I am overloaded now so I cannot dig myself it but I can review a patch and tag a release if needed.