fix(hydra): stream totalItems as an integer (#8459)

Author: soyuka

src/Hydra/Collection.php

@@ -31,7 +31,7 @@ class Collection
     #[StreamedName('@type')]
     public string $type = 'Collection';
 
-    public float $totalItems;
+    public int $totalItems;
 
     public ?IriTemplate $search = null;
     public ?PartialCollectionView $view = null;

src/Hydra/State/JsonStreamerProcessor.php

@@ -91,7 +91,7 @@ public function process(mixed $data, Operation $operation, array $uriVariables =
             }
 
             if ($data instanceof PaginatorInterface) {
-                $collection->totalItems = $data->getTotalItems();
+                $collection->totalItems = (int) $data->getTotalItems();
             }
 
             if (\is_array($data) || ($data instanceof \Countable && !$data instanceof PartialPaginatorInterface)) {