fix: remove trailing whitespace in phpdoc command arguments

Author: coisa

src/Command/DocsCommand.php

@@ -102,7 +102,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 
         $command = new Process([
             $this->getAbsolutePath('vendor/bin/phpdoc'),
-            '--config', 
+            '--config',
             $htmlConfig,
             '--markers',
             'TODO,FIXME,BUG,HACK',