### 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
msg=msg
                )
                continue
            if arg_default != doc_default:
                msg = "Argument '%s' in argument_spec" % arg
                if context:
                    msg += " found in %s" % " -> ".join(context)
                msg += " defines default as (%r) but documentation defines default as (%r)" % (arg_default, doc_default)
                self.reporter.error(
                    path=self.object_path,
                    code='doc-default-does-not-match-spec',
                    msg=msg
                )
            doc_type = doc_options_arg.get('type')
            if 'type' in data and data['type'] is not None:
                if doc_type is None:
                    if not arg.startswith('_'):  
                        msg = "Argument '%s' in argument_spec" % arg
                        if context:
                            msg += " found in %s" % " -> ".join(context)
                        msg += " defines type as %r but documentation doesn't define type" % (data['type'])
                        self.reporter.error(
                            path=self.object_path,
                            code='parameter-type-not-in-doc',
                            msg=msg
                        )
                elif data['type'] != doc_type:
                    msg = "Argument '%s' in argument_spec" % arg
                    if context:
                        msg += " found in %s" % " -> ".join(context)