### 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
path=self.object_path,
                    code='deprecation-mismatch',
                    msg='"meta/runtime.yml" and DOCUMENTATION.deprecation do not agree.'
                )
            elif routing_says_deprecated:
                
                
                routing_date = routing_deprecation.get('removal_date')
                routing_version = routing_deprecation.get('removal_version')
                
                
                documentation_date = doc_deprecation.get('removed_at_date')
                documentation_version = doc_deprecation.get('removed_in')
                if not compare_dates(routing_date, documentation_date):
                    self.reporter.error(
                        path=self.object_path,
                        code='deprecation-mismatch',
                        msg='"meta/runtime.yml" and DOCUMENTATION.deprecation do not agree on removal date: %r vs. %r' % (
                            routing_date, documentation_date)
                    )
                if routing_version != documentation_version:
                    self.reporter.error(
                        path=self.object_path,
                        code='deprecation-mismatch',
                        msg='"meta/runtime.yml" and DOCUMENTATION.deprecation do not agree on removal version: %r vs. %r' % (
                            routing_version, documentation_version)
                    )
            
        return doc_info, doc
    def _check_version_added(self, doc, existing_doc):