Correction du bug "mauvais format" de fichier.

src/Command/RenderCommand.php

@@ -180,7 +180,7 @@ class RenderCommand extends Command
      */
     private function startProcess($target, $format): array
     {
-        $cmd = sprintf('%s -jar %s -graphvizdot %s -pipe -t %s',
+        $cmd = sprintf('%s -jar %s -graphvizdot %s -pipe -t%s',
             $this->findExecutable($this->javaBinary),
             $this->plantUmlJar,
             $this->findExecutable($this->dotBinary),