Fixed ContentIdListGeneratorStrategyInterface::getGenerator type hint

Co-authored-by: Paweł Niedzielski <[email protected]>

src/bundle/Core/Command/Indexer/ContentIdListGeneratorStrategyInterface.php

@@ -17,7 +17,7 @@
 interface ContentIdListGeneratorStrategyInterface
 {
     /**
-     * @return \Generator<int, int[]>
+     * @return \Generator<int, array<int>>
      */
     public function getGenerator(InputInterface $input, int $iterationCount): Generator;