fix: namespace

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

tests/php/Unit/Service/Install/SignSetupServiceTest.php

@@ -13,12 +13,12 @@
 use OC\IntegrityCheck\Helpers\FileAccessHelper;
 use OCA\Libresign\AppInfo\Application;
 use OCA\Libresign\Service\Install\SignSetupService;
+use OCA\Libresign\Vendor\phpseclib\Crypt\RSA;
 use OCP\App\IAppManager;
 use OCP\Files\AppData\IAppDataFactory;
 use OCP\IAppConfig;
 use OCP\IConfig;
 use OCP\ITempManager;
-use phpseclib\Crypt\RSA;
 use phpseclib\File\X509;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\MockObject\MockObject;