fix: add typehint

Author: Kevin-koko

DependencyInjection/Configuration.php

@@ -21,10 +21,8 @@ class Configuration implements ConfigurationInterface
 
     /**
      * Generates the configuration tree builder.
-     *
-     * @return TreeBuilder The tree builder
      */
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('rezzza_command_bus');