refactor: composer.json versioN

composer.json

@@ -2,6 +2,7 @@
   "name": "quiqqer\/discount",
   "type": "quiqqer-plugin",
   "description": "Create discounts for user groups, specific users as well as time controlled.",
+  "version": "1.1.1",
   "license": [
     "PCSG QEL-1.0"
   ],