Multiple failures in `dockerhost` playbook

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Delete as appropriate from this list:

- Bug in ansible playbook

Details:
When I try to run the [dockerhost.yml](https://github.com/adoptium/infrastructure/blob/master/ansible/playbooks/AdoptOpenJDK_Unix_Playbook/dockerhost.yml) playbook I get a number of failures:
- `check_mem` download fails in [Nagios_Plugins](https://github.com/adoptium/infrastructure/blob/master/ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/Nagios_Plugins/tasks/main.yml) role - https://github.com/adoptium/infrastructure/issues/2810
- [Nagios_Master_Config](https://github.com/adoptium/infrastructure/blob/master/ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/Nagios_Master_Config/tasks/main.yml) role fails `The task includes an option with an undefined variable. The error was: 'provider is undefined'`
- [Nagios_Tunnel](https://github.com/adoptium/infrastructure/blob/master/ansible/playbooks/AdoptOpenJDK_Unix_Playbook/roles/Nagios_Tunnel/tasks/main.yml) role fails trying to add the ssh key: `'ansible_port' is undefined` (FYI @steelhead31)
- The `DockerStatic` role failes as it says `ERROR! couldn't resolve module/action 'community.docker.docker_container`. This may have been introduced by https://github.com/adoptium/infrastructure/pull/2544 (FYI @zdtsw @Willsparker @karianna)