### 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
self.reporter.error(
                path=self.object_path,
                code='module-incorrect-version-added',
                msg='version_added should be %r. Currently %r' % (should_be, version_added_raw)
            )
    def _validate_ansible_module_call(self, docs):
        try:
            spec, kwargs = get_argument_spec(self.path, self.collection)
        except AnsibleModuleNotInitialized:
            self.reporter.error(
                path=self.object_path,
                code='ansible-module-not-initialized',
                msg="Execution of the module did not result in initialization of AnsibleModule",
            )
            return
        except AnsibleModuleImportError as e:
            self.reporter.error(
                path=self.object_path,
                code='import-error',
                msg="Exception attempting to import module for argument_spec introspection, '%s'" % e
            )
            self.reporter.trace(
                path=self.object_path,
                tracebk=traceback.format_exc()
            )
            return
        schema = ansible_module_kwargs_schema(self.object_name.split('.')[0], for_collection=bool(self.collection))
        self._validate_docs_schema(kwargs, schema, 'AnsibleModule', 'invalid-ansiblemodule-schema')
        self._validate_argument_spec(docs, spec, kwargs)
    def _validate_list_of_module_args(self, name, terms, spec, context):