### 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
"""Implement if we need this for version_added comparisons
        """
        pass
    def _python_module(self):
        if self.path.endswith('.py') or self._python_module_override:
            return True
        return False
    def _powershell_module(self):
        if self.path.endswith('.ps1'):
            return True
        return False
    def _just_docs(self):
        """Module can contain just docs and from __future__ boilerplate
        """
        try:
            for child in self.ast.body:
                if not isinstance(child, ast.Assign):
                    
                    if isinstance(child, ast.ImportFrom) and child.module == '__future__':
                        for future_import in child.names:
                            if future_import.name not in self.ACCEPTLIST_FUTURE_IMPORTS:
                                break
                        else:
                            continue
                    return False
            return True
        except AttributeError:
            return False
    def _get_base_branch_module_path(self):