Drop PHP 7 and fix compatibility with SF6 (#121)

* Drop PHP 7 and fix compatibility with SF6

* Fixed ci

* Update PHP cs fixer

* tryign to fix more CI issues

* Update psalm baseline

* Upgrade to larvel 9

Author: Nyholm

composer.json

@@ -10,9 +10,10 @@
         }
     ],
     "require": {
+        "php": ">=8.0.5",
         "psr/http-server-handler": "^1.0",
         "react/http": "^1.6",
-        "symfony/runtime": "^5.3 || ^6.0"
+        "symfony/runtime": "^5.4 || ^6.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5"

tests/RunnerTest.php

@@ -17,7 +17,7 @@ public function testRun(): void
         $handler = function () {};
         $loop = $this->createMock(LoopInterface::class);
         Loop::set($loop);
-        $server = new HttpServer($handler); //final, cannot be mocked
+        $server = new HttpServer($handler); // final, cannot be mocked
         $factory = $this->createMock(ServerFactory::class);
         $application = $this->createMock(RequestHandlerInterface::class);