### 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
msg += " must contain strings in the lists or tuples; found value %r" % (term, )
                    self.reporter.error(
                        path=self.object_path,
                        code=name + '-type',
                        msg=msg,
                    )
                    bad_term = True
            if bad_term:
                continue
            if len(set(check)) != len(check):
                msg = name
                if context:
                    msg += " found in %s" % " -> ".join(context)
                msg += " has repeated terms"
                self.reporter.error(
                    path=self.object_path,
                    code=name + '-collision',
                    msg=msg,
                )
            if not set(check) <= set(spec):
                msg = name
                if context:
                    msg += " found in %s" % " -> ".join(context)
                msg += " contains terms which are not part of argument_spec: %s" % ", ".join(sorted(set(check).difference(set(spec))))
                self.reporter.error(
                    path=self.object_path,
                    code=name + '-unknown',
                    msg=msg,
                )
    def _validate_required_if(self, terms, spec, context, module):