update project

app/Http/Middleware/DeprecationHeaders.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types=1);
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+final class DeprecationHeaders
+{
+    public function handle(Request $request, Closure $next, ?string $sunset = null, ?string $successor = null): Response
+    {
+        $response = $next($request);
+        $response->headers->set('Deprecation', 'true');
+
+        if ($sunset) {
+            $response->headers->set('Sunset', $sunset);
+        }
+
+        if ($successor) {
+            $response->headers->set('Link', sprintf('<%s>; rel="successor-version"', $successor));
+        }
+
+        return $response;
+    }
+}