### 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
self,
            targets,  
            find,  
            find_incidental=None,  
    ):  
        """Check the CI groups set in the provided targets and return a list of messages with any issues found."""
        all_paths = set(target.path for target in targets)
        supported_paths = set(target.path for target in filter_targets(targets, [find], directories=False, errors=False))
        unsupported_paths = set(target.path for target in filter_targets(targets, [self.UNSUPPORTED], directories=False, errors=False))
        if find_incidental:
            incidental_paths = set(target.path for target in filter_targets(targets, find_incidental, directories=False, errors=False))
        else:
            incidental_paths = set()
        unassigned_paths = all_paths - supported_paths - unsupported_paths - incidental_paths
        conflicting_paths = supported_paths & unsupported_paths
        unassigned_message = 'missing alias `%s` or `%s`' % (find.strip('/'), self.UNSUPPORTED.strip('/'))
        conflicting_message = 'conflicting alias `%s` and `%s`' % (find.strip('/'), self.UNSUPPORTED.strip('/'))
        messages = []
        for path in unassigned_paths:
            messages.append(SanityMessage(unassigned_message, '%s/aliases' % path))
        for path in conflicting_paths:
            messages.append(SanityMessage(conflicting_message, '%s/aliases' % path))
        return messages
    def check_changes(self, args, results):