Update composer.json

Author: Alexander Miertsch

composer.json

@@ -17,9 +17,9 @@
     ],
     "require": {
         "php": "^7.4 || ^8.0",
-        "event-engine/php-data": "^2.0-dev",
-        "event-engine/php-engine-utils": "^0.1",
-        "event-engine/php-schema": "^0.1",
+        "event-engine/php-data": "^2.0",
+        "event-engine/php-engine-utils": "^0.2",
+        "event-engine/php-schema": "^0.2",
         "ramsey/uuid": "^3.6 || ^4.0"
     },
     "require-dev": {