### Summary

The result of the module ansible.builtin.stat contains a variable "version".
It is not clear what that variable means. There is no documentation for this variable.

E.g.
```
 "item": "/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.312.b07-1.el8_4.x86_64/jre/bin/java",
"stat": {
"atime": 1640017871.1250868,
...
"path": "/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.312.b07-1.el8_4.x86_64/jre/bin/java",
...
"uid": 0,
"version": "381700746",
...
```

### Issue Type

Documentation Report

### Component Name

lib/ansible/modules/stat.py

### Ansible Version

```console
ansible 2.9.27
  config file = /home/bram.mertens/workspace/abxcfg/ansible.cfg
  configured module search path = ['/home/bram.mertens/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python3.6/site-packages/ansible
  executable location = /usr/bin/ansible
  python version = 3.6.8 (default, Sep 12 2021, 04:40:35) [GCC 8.4.1 20200928 (Red Hat 8.4.1-1)]
```


### Configuration

```console
DEFAULT_HOST_LIST(/home/bram.mertens/workspace/abxcfg/ansible.cfg) = ['/home/bram.mertens/workspace/abxcfg/production']
DEFAULT_LOG_PATH(/home/bram.mertens/workspace/abxcfg/ansible.cfg) = /home/bram.mertens/workspace/abxcfg/ansible.log
DEFAULT_MANAGED_STR(/home/bram.mertens/workspace/abxcfg/ansible.cfg) = Ansible managed: {file} modified on %Y-%m-%d %H:%M:%S by {uid} on {host}
DEFAULT_ROLES_PATH(/home/bram.mertens/workspace/abxcfg/ansible.cfg) = ['/etc/ansible/roles', '/usr/share/ansible/roles', '/home/bram.mertens/workspace/abxcfg/roles']
DEFAULT_STDOUT_CALLBACK(/home/bram.mertens/workspace/abxcfg/ansible.cfg) = debug
INTERPRETER_PYTHON(/home/bram.mertens/workspace/abxcfg/ansible.cfg) = auto
```


### OS / Environment

RHEL8

### Additional Information

It is not clear what this variable means.

### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
output['md5'] = None
        if get_checksum:
            output['checksum'] = module.digest_from_file(b_path, checksum_algorithm)
    
    if get_mime:
        output['mimetype'] = output['charset'] = 'unknown'
        mimecmd = module.get_bin_path('file')
        if mimecmd:
            mimecmd = [mimecmd, '--mime-type', '--mime-encoding', b_path]
            try:
                rc, out, err = module.run_command(mimecmd)
                if rc == 0:
                    mimetype, charset = out.rsplit(':', 1)[1].split(';')
                    output['mimetype'] = mimetype.strip()
                    output['charset'] = charset.split('=')[1].strip()
            except Exception:
                pass
    
    if get_attr:
        output['version'] = None
        output['attributes'] = []
        output['attr_flags'] = ''
        out = module.get_file_attributes(b_path)
        for x in ('version', 'attributes', 'attr_flags'):
            if x in out:
                output[x] = out[x]
    module.exit_json(changed=False, stat=output)
if __name__ == '__main__':
    main()