feat(tickets): add PDF and Excel export endpoints

app/Domains/Ticket/Requests/AdminAppTicketExportRequest.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Domains\Ticket\Requests;
+
+use App\Domains\Shared\Rules\ValidTimezone;
+
+class AdminAppTicketExportRequest extends AdminAppTicketIndexRequest
+{
+    /** @return array<string, mixed> */
+    public function rules(): array
+    {
+        return [
+            ...parent::rules(),
+            'timezone' => ['required', 'string', new ValidTimezone],
+        ];
+    }
+}