### 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
}
        ),
        avoid_additional_data
    )
    plugin_routing_schema = Any(
        Schema({
            ('deprecation'): Any(deprecation_schema),
            ('tombstone'): Any(tombstoning_schema),
            ('redirect'): Any(*string_types),
        }, extra=PREVENT_EXTRA),
    )
    list_dict_plugin_routing_schema = [{str_type: plugin_routing_schema}
                                       for str_type in string_types]
    plugin_schema = Schema({
        ('action'): Any(None, *list_dict_plugin_routing_schema),
        ('become'): Any(None, *list_dict_plugin_routing_schema),
        ('cache'): Any(None, *list_dict_plugin_routing_schema),
        ('callback'): Any(None, *list_dict_plugin_routing_schema),
        ('cliconf'): Any(None, *list_dict_plugin_routing_schema),
        ('connection'): Any(None, *list_dict_plugin_routing_schema),
        ('doc_fragments'): Any(None, *list_dict_plugin_routing_schema),
        ('filter'): Any(None, *list_dict_plugin_routing_schema),
        ('httpapi'): Any(None, *list_dict_plugin_routing_schema),
        ('inventory'): Any(None, *list_dict_plugin_routing_schema),
        ('lookup'): Any(None, *list_dict_plugin_routing_schema),
        ('module_utils'): Any(None, *list_dict_plugin_routing_schema),
        ('modules'): Any(None, *list_dict_plugin_routing_schema),
        ('netconf'): Any(None, *list_dict_plugin_routing_schema),
        ('shell'): Any(None, *list_dict_plugin_routing_schema),
        ('strategy'): Any(None, *list_dict_plugin_routing_schema),