### Summary

The option `io_buffer_size` added in ansible-core 2.12 (#74094) does not appear in the argument spec and thus does not work. (As opposed to the other two documented options that are not in the argument spec, this one is not handled by the accomodating action plugin.)

### Issue Type

Bug Report

### Component Name

unarchive

### Ansible Version

```console
2.12+
```


### Configuration

```console
-
```


### OS / Environment

-

### Steps to Reproduce

-

### Expected Results

-

### Actual Results

```console
Argument spec validation will reject this option.
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
err += 'File %s already exists, but not as a directory\n' % path
                diff += 'c%s++++++.?? %s\n' % (ftype, path)
                continue
            if ftype == 'f' and not stat.S_ISREG(st.st_mode):
                change = True
                unarchived = False
                self.includes.append(path)
                err += 'Directory %s already exists, but not as a regular file\n' % path
                diff += 'c%s++++++.?? %s\n' % (ftype, path)
                continue
            if ftype == 'L' and not stat.S_ISLNK(st.st_mode):
                change = True
                self.includes.append(path)
                err += 'Directory %s already exists, but not as a symlink\n' % path
                diff += 'c%s++++++.?? %s\n' % (ftype, path)
                continue
            itemized = list('.%s.......??' % ftype)
            
            
            
            dt_object = datetime.datetime(*(time.strptime(pcs[6], '%Y%m%d.%H%M%S')[0:6]))
            timestamp = time.mktime(dt_object.timetuple())
            
            if stat.S_ISREG(st.st_mode):
                if self.module.params['keep_newer']:
                    if timestamp > st.st_mtime:
                        change = True
                        self.includes.append(path)
                        err += 'File %s is older, replacing file\n' % path
                        itemized[4] = 't'