Update pagination.md

The current code is:

``` composer require laminas/laminas-paginator laminas-paginator-adapter-laminasdb ```

But it is getting an error:

root@090fdd4c9695:/var/www/html# composer require laminas/laminas-paginator laminas-paginator-adapter-laminasdb

In VersionParser.php line 521:
                                                                                                                                        
Could not parse version constraint laminas-paginator-adapter-laminasdb: Invalid version string "laminas-paginator-adapter-laminasdb" 

The PR just adjust it for put "laminas/" prefix

Signed-off-by: Gabriel Cruz <[email protected]>

docs/book/pagination.md

@@ -237,7 +237,7 @@ provided by an additional component: laminas-paginator-adapter-laminasdb.
 Run the following from the application root:
 
 ```bash
-$ composer require laminas/laminas-paginator laminas-paginator-adapter-laminasdb
+$ composer require laminas/laminas-paginator laminas/laminas-paginator-adapter-laminasdb
 ```
 
 Assuming you followed the [Getting Started tutorial](getting-started/overview.md),