### 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
" default should not be marked as required"
                self.reporter.error(
                    path=self.object_path,
                    code='no-default-for-required-parameter',
                    msg=msg
                )
            if arg in provider_args:
                
                
                continue
            _type = data.get('type', 'str')
            if callable(_type):
                _type_checker = _type
            else:
                _type_checker = DEFAULT_TYPE_VALIDATORS.get(_type)
            _elements = data.get('elements')
            if (_type == 'list') and not _elements:
                msg = "Argument '%s' in argument_spec" % arg
                if context:
                    msg += " found in %s" % " -> ".join(context)
                msg += " defines type as list but elements is not defined"
                self.reporter.error(
                    path=self.object_path,
                    code='parameter-list-no-elements',
                    msg=msg
                )
            if _elements:
                if not callable(_elements):
                    DEFAULT_TYPE_VALIDATORS.get(_elements)
                if _type != 'list':