### Summary

when running ansible-test over a collection, if there are errors or failures, it will link you to the correct documentation to help resolve the issue. this functionality is currently broken as it is linking to `docs.ansible.com/ansible/` instead of `docs.ansible.com/ansible-core/` which leads to 404s. 


### Issue Type

Bug Report

### Component Name

ansible-test

### Ansible Version

```console
$ ansible --version
ansible [core 2.11.2]
```


### Configuration

```console
$ ansible-config dump --only-changed
```


### OS / Environment

Fedora 34

### Steps to Reproduce

<!--- Paste example playbooks or commands between quotes below -->
```yaml (paste below)
ansible-test sanity --docker
```


### Expected Results

Expect for docs link to correct navigate to the correct documentation. 

### Actual Results

```console
leads to documentation that 404s. Ex: https://docs.ansible.com/ansible/2.12/dev_guide/testing/sanity/pylint.html
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
base_name = os.path.basename(path)
        file_name = os.path.splitext(base_name)[0]
        if file_name.startswith('_') and os.path.islink(path):
            return True
        if not frozenset((base_name, file_name)).isdisjoint(ModuleValidator.REJECTLIST):
            return True
        for pat in ModuleValidator.REJECTLIST_PATTERNS:
            if fnmatch(base_name, pat):
                return True
        return False
    def validate(self):
        super(ModuleValidator, self).validate()
        if not self._python_module() and not self._powershell_module():
            self.reporter.error(
                path=self.object_path,
                code='invalid-extension',
                msg=('Official Ansible modules must have a .py '
                     'extension for python modules or a .ps1 '
                     'for powershell modules')
            )
            self._python_module_override = True
        if self._python_module() and self.ast is None:
            self.reporter.error(
                path=self.object_path,
                code='python-syntax-error',
                msg='Python SyntaxError while parsing module'
            )
            try:
                compile(self.text, self.path, 'exec')