Upgrade to Laravel 9 (#4413)

Co-authored-by: DaneEveritt <dane@daneeveritt.com>

app/Repositories/Wings/DaemonConfigurationRepository.php

@@ -3,6 +3,7 @@
 namespace Pterodactyl\Repositories\Wings;
 
 use Pterodactyl\Models\Node;
+use Psr\Http\Message\ResponseInterface;
 use GuzzleHttp\Exception\TransferException;
 use Pterodactyl\Exceptions\Http\Connection\DaemonConnectionException;
 
@@ -29,11 +30,9 @@ class DaemonConfigurationRepository extends DaemonRepository
      * this instance using a passed-in model. This allows us to change plenty of information
      * in the model, and still use the old, pre-update model to actually make the HTTP request.
      *
-     * @return \Psr\Http\Message\ResponseInterface
-     *
      * @throws \Pterodactyl\Exceptions\Http\Connection\DaemonConnectionException
      */
-    public function update(Node $node)
+    public function update(Node $node): ResponseInterface
     {
         try {
             return $this->getHttpClient()->post(