chore: update package files

src/Builder/BuilderCollection.php

@@ -26,6 +26,8 @@ use Traversable;
 
 /**
  * A collection of UuidBuilderInterface objects
+ *
+ * @extends AbstractCollection<UuidBuilderInterface>
  */
 class BuilderCollection extends AbstractCollection
 {
@@ -54,7 +56,7 @@ class BuilderCollection extends AbstractCollection
      */
     public function unserialize($serialized): void
     {
-        /** @var mixed[] $data */
+        /** @var array<array-key, UuidBuilderInterface> $data */
         $data = unserialize($serialized, [
             'allowed_classes' => [
                 BrickMathCalculator::class,