loosen up constraint for PHP 7.4

Author: konradoboza

composer.json

@@ -21,7 +21,7 @@
         "ibexa/rest": "~4.6.0@dev",
         "ibexa/fieldtype-richtext": "~4.6.0@dev",
         "lexik/jwt-authentication-bundle": "^2.8",
-        "overblog/graphql-bundle": "^1.6.0",
+        "overblog/graphql-bundle": "^0.14.4 || ^1.6.0",
         "erusev/parsedown": "^1.7",
         "symfony/dependency-injection": "^5.0",
         "symfony/http-kernel": "^5.0",