[1.x] Add support for php-pusher 5.x

composer.json

@@ -32,7 +32,7 @@
         "illuminate/http": "^6.0|^7.0|^8.0",
         "illuminate/routing": "^6.0|^7.0|^8.0",
         "illuminate/support": "^6.0|^7.0|^8.0",
-        "pusher/pusher-php-server": "^3.0|^4.0",
+        "pusher/pusher-php-server": "^3.0|^4.0|^5.0",
         "react/dns": "^1.1",
         "react/http": "^1.1",
         "symfony/http-kernel": "^4.0|^5.0",

src/HttpApi/Controllers/TriggerEventController.php

@@ -31,6 +31,6 @@ public function __invoke(Request $request)
             StatisticsLogger::apiMessage($request->appId);
         }
 
-        return $request->json()->all();
+        return (object) [];
     }
 }