WHY
<Why is this change being made?>
the pipelines the workload web app is used in use docker. so it should be the default.
Currently its defaulting to podman and doesn't appear to be working. Needs fixing before release testing

WHAT
<What is being asked for?>
change the default container engine to docker

HOW
<Suggestions for how this may be solved. [Optional]

TESTS
<List of related tests>

DONE
<bullet point items for what should be completed>