[Platform] Fix coding style

Author: xavierleune

src/platform/src/Bridge/Mistral/Llm/ResultConverter.php

@@ -152,7 +152,7 @@ private function isToolCallsStreamFinished(array $data): bool
 
     /**
      * @param array{
-     *     index: integer,
+     *     index: int,
      *     message: array{
      *         role: 'assistant',
      *         content: ?string,

src/platform/src/Bridge/OpenAI/GPT/ResultConverter.php

@@ -149,7 +149,7 @@ private function isToolCallsStreamFinished(array $data): bool
 
     /**
      * @param array{
-     *     index: integer,
+     *     index: int,
      *     message: array{
      *         role: 'assistant',
      *         content: ?string,