Merge pull request #11 from shyim/patch-1

fix: when manifest doesnt have bundles

Author: stof

src/LintManifestsCommand.php

@@ -59,7 +59,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
                     break;
                 }
             }
-            if ($empty && !is_file("$package/$version/post-install.txt") && 'all' === current($data['bundles'])) {
+            if ($empty && !is_file("$package/$version/post-install.txt") && 'all' === current($data['bundles'] ?? [])) {
                 $output->writeln(sprintf('::error file=%s::Recipe is not needed as it only registers a bundle for all environments', $manifest));
                 continue;
             }