update composer.json to use phpdocx 15.5

composer.json

@@ -8,7 +8,7 @@
     },
     {
       "type": "vcs",
-      "url": "ssh://git@gitlab.2iopenservice.com/opentalent/phpdocx.git"
+      "url": "ssh://git@gitlab.2iopenservice.com/opentalent/phpdocx-15.5.git"
     }
   ],
   "require": {
@@ -113,10 +113,8 @@
       "App\\": "src/"
     },
     "classmap": [
-      "vendor/opentalent/phpdocx/Classes/Phpdocx/Create/CreateDocument.php",
-      "vendor/opentalent/phpdocx/Classes/Phpdocx/Create/CreateDocx.php",
-      "vendor/opentalent/phpdocx/Classes/Phpdocx/Create/CreateDocxFromTemplate.php"
-  ]
+      "vendor/opentalent/phpdocx/Classes/Phpdocx"
+    ]
   },
   "autoload-dev": {
     "psr-4": {