Upgrades job fails with Ansible 2.11 when trying to use docker module

[Sagi (Sergey) Shnaidman]

undercloud upgrade job from wallaby to xena fails when running Ansible 2.11:

 ERROR! couldn't resolve module/action 'docker_container'. This often indicates a misspelling, missing collection, or incorrect module path.
2021-07-26 10:24:54 |
2021-07-26 10:24:54 | The error appears to be in '/usr/share/ansible/roles/tripleo_podman/tasks/tripleo_docker_stop.yml': line 35, column 7, but may
2021-07-26 10:24:54 | be elsewhere in the file depending on the exact syntax problem.
2021-07-26 10:24:54 |
2021-07-26 10:24:54 | The offending line appears to be:
2021-07-26 10:24:54 |
2021-07-26 10:24:54 |
2021-07-26 10:24:54 | - name: Stop a container
2021-07-26 10:24:54 | ^ here
2021-07-26 10:24:54 | [ERROR]: An include failure occurred, we will not continue to process after
2021-07-26 10:24:54 | this play completes.
2021-07-26 10:24:54 |

[Sagi (Sergey) Shnaidman (sshnaidm)]

https://review.opendev.org/q/I50b81937698098141045841aec59c04ee88f5b0f to solve it