fix: change request method from get to input for includes (#35)

The reason for this change is because of a deprecation:
`Since symfony/http-foundation 7.4: Request::get() is deprecated, use properties ->attributes, query or request directly instead.`

https://symfony.com/blog/new-in-symfony-7-4-request-class-improvements#deprecated-the-get-method

Author: sebdesign

src/FractalServiceProvider.php

@@ -68,8 +68,8 @@ public function register(): void
             $request = $this->app['request'];
 
             $includesKey = $config->get('datatables-fractal.includes', 'include');
-            if ($request->get($includesKey)) {
-                $fractal->parseIncludes($request->get($includesKey));
+            if ($request->input($includesKey)) {
+                $fractal->parseIncludes($request->input($includesKey));
             }
 
             $serializer = $config->get('datatables-fractal.serializer', DataArraySerializer::class);