add optional composer bin path

inventory.yml

@@ -4,6 +4,7 @@ config:
   repository: gitfhfac@git.d3data.de:Customers/my.shop.com.git
   bin/php: /usr/local/php8.2/bin/php
   bin/mysql: /usr/local/mysql/bin/mysql
+  # bin/composer: /usr/local/php8.1/bin/php /home/phfhcwoc/bin/composer.phar  # optional for custom composer version
 
 .base: &base
   local: true