style(админка): pint — new UseAdminConnection без скобок в тесте

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

app/tests/Unit/Middleware/UseAdminConnectionTest.php

@@ -13,7 +13,7 @@ it('switches default connection to pgsql_admin during the request', function ()
     $original = DB::getDefaultConnection();
     $seen = null;
 
-    $response = (new UseAdminConnection())->handle(
+    $response = (new UseAdminConnection)->handle(
         Request::create('/api/admin/tenants'),
         function () use (&$seen) {
             $seen = DB::getDefaultConnection();
@@ -30,7 +30,7 @@ it('switches default connection to pgsql_admin during the request', function ()
 it('restores the default connection even when downstream throws', function () {
     $original = DB::getDefaultConnection();
 
-    $call = fn () => (new UseAdminConnection())->handle(
+    $call = fn () => (new UseAdminConnection)->handle(
         Request::create('/api/admin/tenants'),
         function () {
             throw new RuntimeException('boom');