fix(symfony): upgrade-filter skips Legacy/ fixtures

Classes under a \Legacy\ namespace intentionally keep #[ApiFilter] as the
regression suite; the codemod must not migrate them.

Author: soyuka

src/Symfony/Bundle/Command/UpgradeApiFilterCommand.php

@@ -73,6 +73,11 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $changed = 0;
 
         foreach ($classes as $resourceClass) {
+            // Legacy/ fixtures intentionally keep #[ApiFilter] as the regression suite.
+            if (str_contains($resourceClass, '\\Legacy\\')) {
+                continue;
+            }
+
             try {
                 $reflection = new \ReflectionClass($resourceClass);
             } catch (\ReflectionException) {