### 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
if self._has_alias():
            return False
        return not self.object_name.startswith('_') and bool(self.base_branch) and not bool(self.base_module)
    def _check_interpreter(self, powershell=False):
        if powershell:
            if not self.text.startswith('#!powershell\n'):
                self.reporter.error(
                    path=self.object_path,
                    code='missing-powershell-interpreter',
                    msg='Interpreter line is not "#!powershell"'
                )
            return
        if not self.text.startswith('#!/usr/bin/python'):
            self.reporter.error(
                path=self.object_path,
                code='missing-python-interpreter',
                msg='Interpreter line is not "#!/usr/bin/python"',
            )
    def _check_type_instead_of_isinstance(self, powershell=False):