Merge branch 'master' into 3.0-merge

# Conflicts:
#	.github/workflows/test.yml
#	phpstan.neon
#	src/http-message/tests/SwooleStreamTest.php
#	src/http-server/src/ResponseEmitter.php
#	src/socketio-server/src/SocketIO.php
#	src/utils/src/Contracts/Arrayable.php

Author: limingxinleo

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');