##### 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

- The desired signing CA certificate for all swarm node TLS leaf certificates, in PEM format.
      - This must not be a path to a certificate, but the contents of the certificate.
      - Requires API version >= 1.30.
    type: str
  signing_ca_key:
    description:
      - The desired signing CA key for all swarm node TLS leaf certificates, in PEM format.
      - This must not be a path to a key, but the contents of the key.
      - Requires API version >= 1.30.
    type: str
  ca_force_rotate:
    description:
      - An integer whose purpose is to force swarm to generate a new signing CA certificate and key,
          if none have been specified.
      - Docker default value is C(0).
      - Requires API version >= 1.30.
    type: int
  autolock_managers:
    description:
      - If set, generate a key and use it to lock data stored on the managers.
      - Docker default value is C(no).
      - M(docker_swarm_info) can be used to retrieve the unlock key.
    type: bool
  rotate_worker_token:
    description: Rotate the worker join token.
    type: bool
    default: no
  rotate_manager_token:
    description: Rotate the manager join token.
    type: bool