Update composer.json

Author: wol-soft

composer.json

@@ -12,7 +12,7 @@
     ],
     "require": {
         "symfony/polyfill-php81": "^1.28",
-        "wol-soft/php-json-schema-model-generator-production": "dev-BuilderClassPostProcessor",
+        "wol-soft/php-json-schema-model-generator-production": "^0.20",
         "wol-soft/php-micro-template": "^1.10.0",
 
         "php": ">=8.0",