fix(OpenAI): $parameters array is not required in thread 'create' method (#577)

* feat: $parameters array is not required in thread 'create' method

* fix: default to empty array on params

* test: assert no params needed on thread.create

---------

Co-authored-by: Connor Tumbleson <connor@sourcetoad.com>

Author: erdiarikan

src/Resources/Threads.php

@@ -27,7 +27,7 @@ final class Threads implements ThreadsContract
      *
      * @param  array<string, mixed>  $parameters
      */
-    public function create(array $parameters): ThreadResponse
+    public function create(array $parameters = []): ThreadResponse
     {
         $payload = Payload::create('threads', $parameters);
 

tests/Resources/Threads.php

@@ -10,7 +10,7 @@
 test('create', function () {
     $client = mockClient('POST', 'threads', [], Response::from(threadResource(), metaHeaders()));
 
-    $result = $client->threads()->create([]);
+    $result = $client->threads()->create();
 
     expect($result)
         ->toBeInstanceOf(ThreadResponse::class)