### 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
"""Check POSIX integration test targets and return messages with any issues found."""
        posix_targets = tuple(walk_posix_integration_targets())
        clouds = get_cloud_platforms(args, posix_targets)
        cloud_targets = ['cloud/%s/' % cloud for cloud in clouds]
        all_cloud_targets = tuple(filter_targets(posix_targets, ['cloud/'], directories=False, errors=False))
        invalid_cloud_targets = tuple(filter_targets(all_cloud_targets, cloud_targets, include=False, directories=False, errors=False))
        messages = []
        for target in invalid_cloud_targets:
            for alias in target.aliases:
                if alias.startswith('cloud/') and alias != 'cloud/':
                    if any(alias.startswith(cloud_target) for cloud_target in cloud_targets):
                        continue
                    messages.append(SanityMessage('invalid alias `%s`' % alias, '%s/aliases' % target.path))
        messages += self.check_ci_group(
            targets=tuple(filter_targets(posix_targets, ['cloud/', '%s/generic/' % self.TEST_ALIAS_PREFIX], include=False, directories=False, errors=False)),
            find=self.format_test_group_alias('linux').replace('linux', 'posix'),
            find_incidental=['%s/posix/incidental/' % self.TEST_ALIAS_PREFIX],
        )