!feat(rootless): add podman for rootless

[TartanLeGrand]

Description

I wanna try to change the codeclimate image to use the podman rootless version. If we could avoid using the docker daemon, we could run the codeclimate image without root privileges.

Ref

• https://gitlab.com/gitlab-org/gitlab-foss/-/issues/37980
• https://gitlab.com/gitlab-org/gitlab/-/issues/9784
• https://developers.redhat.com/blog/2019/02/21/podman-and-buildah-for-docker-users

[CLAassistant]

All committers have signed the CLA.

[fstamour]

I think you still need to update the .circle-ci/config.yml to install podman.

[TartanLeGrand]

I think you still need to update the .circle-ci/config.yml to install podman.

Hello @fstamour, I need to make an change on this project: https://github.com/codeclimate/test-reporter.

[ST-Apps]

Hey there, what's the ETA for this?
I'm running a rootless Podman GitLab runner which of course doesn't work with the current CodeClimate version.

I've quickly browsed the changes on this PR and I have a feeling replacing docker commands with podman one is not enough to have a rootless setup working as CodeClimate images require to run as user 9000 (which leads to permissions issues when mounting the /code dir).