fix: resolve PHPStan warnings

src/Bootstrappers/BootFiles.php

@@ -48,6 +48,7 @@ final class BootFiles
             if (is_dir($filename)) {
                 $directory = new RecursiveDirectoryIterator($filename);
                 $iterator  = new RecursiveIteratorIterator($directory);
+                /** @var \DirectoryIterator $file */
                 foreach ($iterator as $file) {
                     $this->load($file->__toString());
                 }

src/Expectation.php

@@ -151,7 +151,6 @@ final class Expectation
             throw new BadMethodCallException('Expectation value is not iterable.');
         }
 
-        //@phpstan-ignore-next-line
         $value          = is_array($this->value) ? $this->value : iterator_to_array($this->value);
         $keys           = array_keys($value);
         $values         = array_values($value);