Upgrade swoole version to 4.8.3 in github actions (#4314)

Co-authored-by: 李铭昕 <[email protected]>

Author: sy-records

tests/SwooleStreamTest.php

@@ -29,7 +29,7 @@ public function testSwooleFileStream()
     {
         $swooleResponse = Mockery::mock(SwooleResponse::class);
         $file = __FILE__;
-        $swooleResponse->shouldReceive('sendfile')->with($file)->once()->andReturn(null);
+        $swooleResponse->shouldReceive('sendfile')->with($file)->once()->andReturn(true);
         $swooleResponse->shouldReceive('status')->with(200, '')->once()->andReturn(200);
 
         $response = new Response();
@@ -43,9 +43,9 @@ public function testSwooleStream()
     {
         $swooleResponse = Mockery::mock(SwooleResponse::class);
         $content = '{"id":1}';
-        $swooleResponse->shouldReceive('end')->with($content)->once()->andReturn(null);
+        $swooleResponse->shouldReceive('end')->with($content)->once()->andReturn(true);
         $swooleResponse->shouldReceive('status')->with(200, '')->once()->andReturn(200);
-        $swooleResponse->shouldReceive('header')->with('TOKEN', 'xxx')->once()->andReturn(null);
+        $swooleResponse->shouldReceive('header')->with('TOKEN', 'xxx')->once()->andReturn(true);
 
         $response = new Response();
         $response = $response->withBody(new SwooleStream($content))->withHeader('TOKEN', 'xxx');