update rector config

Author: michalsn

rector.php

@@ -118,6 +118,7 @@
         // Ignore tests that use CodeIgniter::CI_VERSION
         UnwrapFutureCompatibleIfPhpVersionRector::class => [
             __DIR__ . '/src/Test/MockInputOutput.php',
+            __DIR__ . '/tests/Authentication/Authenticators/SessionAuthenticatorTest.php',
             __DIR__ . '/tests/Commands/SetupTest.php',
             __DIR__ . '/tests/Commands/UserModelGeneratorTest.php',
             __DIR__ . '/tests/Controllers/LoginTest.php',