### 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
)
        
        if not self.collection:
            mismatched_deprecation = True
            if not (filename_deprecated_or_removed or removed or deprecated or doc_deprecated):
                mismatched_deprecation = False
            else:
                if (filename_deprecated_or_removed and doc_deprecated):
                    mismatched_deprecation = False
                if (filename_deprecated_or_removed and removed and not (documentation_exists or examples_exist or returns_exist)):
                    mismatched_deprecation = False
            if mismatched_deprecation:
                self.reporter.error(
                    path=self.object_path,
                    code='deprecation-mismatch',
                    msg='Module deprecation/removed must agree in documentation, by prepending filename with'
                        ' "_", and setting DOCUMENTATION.deprecated for deprecation or by removing all'
                        ' documentation for removed'
                )
        else:
            
            if self.object_name.startswith('_'):
                self.reporter.error(
                    path=self.object_path,
                    code='collections-no-underscore-on-deprecation',
                    msg='Deprecated content in collections MUST NOT start with "_", update meta/runtime.yml instead',
                )
            if not (doc_deprecated == routing_says_deprecated):
                
                self.reporter.error(