### 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
),
                            'DOCUMENTATION',
                            'invalid-documentation',
                        )
                    if not self.collection:
                        existing_doc = self._check_for_new_args(doc)
                        self._check_version_added(doc, existing_doc)
            if not bool(doc_info['EXAMPLES']['value']):
                self.reporter.error(
                    path=self.object_path,
                    code='missing-examples',
                    msg='No EXAMPLES provided'
                )
            else:
                _doc, errors, traces = parse_yaml(doc_info['EXAMPLES']['value'],
                                                  doc_info['EXAMPLES']['lineno'],
                                                  self.name, 'EXAMPLES', load_all=True,
                                                  ansible_loader=True)
                for error in errors:
                    self.reporter.error(
                        path=self.object_path,
                        code='invalid-examples',
                        **error
                    )
                for trace in traces:
                    self.reporter.trace(
                        path=self.object_path,
                        tracebk=trace
                    )
            if not bool(doc_info['RETURN']['value']):