### 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
#
#
#
#
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import abc
import argparse
import ast
import datetime
import json
import errno
import os
import re
import subprocess
import sys
import tempfile
import traceback
from collections import OrderedDict
from contextlib import contextmanager
from ansible.module_utils.compat.version import StrictVersion, LooseVersion
from fnmatch import fnmatch
import yaml
from ansible import __version__ as ansible_version
from ansible.executor.module_common import REPLACER_WINDOWS
from ansible.module_utils.common._collections_compat import Mapping
from ansible.module_utils.common.parameters import DEFAULT_TYPE_VALIDATORS