### 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
for child in self.ast.body:
            names = []
            if isinstance(child, ast.Import):
                names.extend(child.names)
            elif isinstance(child, TRY_EXCEPT):
                bodies = child.body
                for handler in child.handlers:
                    bodies.extend(handler.body)
                for grandchild in bodies:
                    if isinstance(grandchild, ast.Import):
                        names.extend(grandchild.names)
            for name in names:
                
                for rejectlist_import, options in REJECTLIST_IMPORTS.items():
                    if re.search(rejectlist_import, name.name):
                        new_only = options['new_only']
                        if self._is_new_module() and new_only:
                            self.reporter.error(
                                path=self.object_path,
                                **options['error']
                            )
                        elif not new_only:
                            self.reporter.error(
                                path=self.object_path,
                                **options['error']
                            )
    def _find_module_utils(self):