##### SUMMARY
docker_swarm contains call to Display.deprecated or AnsibleModule.deprecate and is scheduled for removal

```
test/support/integration/plugins/modules/docker_swarm.py:451:12: ansible-deprecated-version: Deprecated version ('2.12') found in call to Display.deprecated or AnsibleModule.deprecate (0%)
```

##### ISSUE TYPE
 - Bug Report

##### COMPONENT NAME
```
test/support/integration/plugins/modules/docker_swarm.py
```

##### ANSIBLE VERSION
```
2.12
```

##### CONFIGURATION
N/A

##### OS / ENVIRONMENT
N/A

##### STEPS TO REPRODUCE
N/A

##### EXPECTED RESULTS
N/A

##### ACTUAL RESULTS
N/A

self.results['swarm_facts'] = {
            'JoinTokens': self.swarm_info.get('JoinTokens'),
            'UnlockKey': self.swarm_info.get('UnlockKey')
        }
    def __update_swarm(self):
        try:
            self.inspect_swarm()
            version = self.swarm_info['Version']['Index']
            self.parameters.update_from_swarm_info(self.swarm_info)
            old_parameters = TaskParameters()
            old_parameters.update_from_swarm_info(self.swarm_info)
            self.parameters.compare_to_active(old_parameters, self.client, self.differences)
            if self.differences.empty:
                self.results['actions'].append("No modification")
                self.results['changed'] = False
                return
            update_parameters = TaskParameters.from_ansible_params(self.client)
            update_parameters.update_parameters(self.client)
            if not self.check_mode:
                self.client.update_swarm(
                    version=version, swarm_spec=update_parameters.spec,
                    rotate_worker_token=self.parameters.rotate_worker_token,
                    rotate_manager_token=self.parameters.rotate_manager_token)
        except APIError as exc:
            self.client.fail("Can not update a Swarm Cluster: %s" % to_native(exc))
            return
        self.inspect_swarm()
        self.results['actions'].append("Swarm cluster updated")
        self.results['changed'] = True
    def join(self):