### 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
('terminal'): Any(None, *list_dict_plugin_routing_schema),
        ('test'): Any(None, *list_dict_plugin_routing_schema),
        ('vars'): Any(None, *list_dict_plugin_routing_schema),
    }, extra=PREVENT_EXTRA)
    
    import_redirection_schema = Any(
        Schema({
            ('redirect'): Any(*string_types),
            
        }, extra=PREVENT_EXTRA)
    )
    list_dict_import_redirection_schema = [{str_type: import_redirection_schema}
                                           for str_type in string_types]
    
    schema = Schema({
        
        ('plugin_routing'): Any(plugin_schema),
        ('import_redirection'): Any(None, *list_dict_import_redirection_schema),
        
        ('requires_ansible'): Any(*string_types),
        ('action_groups'): dict,
    }, extra=PREVENT_EXTRA)
    
    try:
        schema(routing)
    except MultipleInvalid as ex:
        for error in ex.errors:
            
            print('%s:%d:%d: %s' % (path, 0, 0, humanize_error(routing, error)))
def main():