prefer-node-protocol: Fix docs (#2392)

Author: benmccann

docs/rules/prefer-node-protocol.md

@@ -29,6 +29,10 @@ export {strict as default} from 'assert';
 import fs from 'fs/promises';
 ```
 
+```js
+const fs = require('fs');
+```
+
 ```js
 const fs = require('fs/promises');
 ```
@@ -47,10 +51,6 @@ export {strict as default} from 'node:assert';
 import fs from 'node:fs/promises';
 ```
 
-```js
-const fs = require('fs');
-```
-
 ```js
 import _ from 'lodash';
 ```