### 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
args = parser.parse_args()
    args.modules = [m.rstrip('/') for m in args.modules]
    reporter = Reporter()
    git_cache = GitCache(args.base_branch)
    check_dirs = set()
    routing = None
    if args.collection:
        setup_collection_loader()
        routing_file = 'meta/runtime.yml'
        
        if os.path.isfile(routing_file):
            try:
                with open(routing_file) as f:
                    routing = yaml.safe_load(f)
            except yaml.error.MarkedYAMLError as ex:
                print('%s:%d:%d: YAML load failed: %s' % (routing_file, ex.context_mark.line + 1, ex.context_mark.column + 1, re.sub(r'\s+', ' ', str(ex))))
            except Exception as ex:  
                print('%s:%d:%d: YAML load failed: %s' % (routing_file, 0, 0, re.sub(r'\s+', ' ', str(ex))))
    for module in args.modules:
        if os.path.isfile(module):
            path = module
            if args.exclude and args.exclude.search(path):
                continue
            if ModuleValidator.is_on_rejectlist(path):
                continue
            with ModuleValidator(path, collection=args.collection, collection_version=args.collection_version,
                                 analyze_arg_spec=args.arg_spec, base_branch=args.base_branch,
                                 git_cache=git_cache, reporter=reporter, routing=routing) as mv1:
                mv1.validate()
                check_dirs.add(os.path.dirname(path))