### 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
msg: "islnk isn't defined (path doesn't exist)"
  when: sym.stat.islnk is not defined
- name: Print a debug message
  ansible.builtin.debug:
    msg: "islnk is defined (path must exist)"
  when: sym.stat.islnk is defined
- name: Print a debug message
  ansible.builtin.debug:
    msg: "Path exists and is a symlink"
  when: sym.stat.islnk is defined and sym.stat.islnk
- name: Print a debug message
  ansible.builtin.debug:
    msg: "Path exists and isn't a symlink"
  when: sym.stat.islnk is defined and sym.stat.islnk == False
# Determine if a path exists and is a directory.  Note that we need to test
# both that p.stat.isdir actually exists, and also that it's set to true.
- name: Get stats of the FS object
  ansible.builtin.stat:
    path: /path/to/something
  register: p
- name: Print a debug message
  ansible.builtin.debug:
    msg: "Path exists and is a directory"
  when: p.stat.isdir is defined and p.stat.isdir
- name: Don not do checksum
  ansible.builtin.stat:
    path: /path/to/myhugefile
    get_checksum: no
- name: Use sha256 to calculate checksum
  ansible.builtin.stat: