Rootless Docker requires newuidmap/newgidmap kernel support which
doesn't work in nested Docker containers (Operation not permitted).
Added docker_rootless_setup variable (default true) to skip the
daemon startup steps. Set to false in all molecule converge playbooks
so tests verify package installation, user creation, service file
rendering, and config without requiring a working rootless daemon.
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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
