Update vendored libs

vendor/symfony/console/Formatter/OutputFormatterStyleInterface.php

@@ -21,7 +21,7 @@ interface OutputFormatterStyleInterface
     /**
      * Sets style foreground color.
      *
-     * @param string $color The color name
+     * @param string|null $color The color name
      */
     public function setForeground($color = null);