Set constraint on editorjs-php library

Author: loevgaard

composer.json

@@ -11,7 +11,7 @@
     ],
     "require": {
         "php": ">=7.4",
-        "setono/editorjs-php": "dev-master",
+        "setono/editorjs-php": "^0.1",
         "symfony/config": "^4.4 || ^5.0",
         "symfony/dependency-injection": "^4.4 || ^5.0",
         "symfony/http-foundation": "^4.4 || ^5.0.7",