Allow prezent/grid ^0.13

Author: Sander Marechal

composer.json

@@ -7,7 +7,7 @@
     "require": {
         "php": "^7.0|^8.0",
         "ext-intl": "*",
-        "prezent/grid": "^0.12",
+        "prezent/grid": "^0.12|^0.13",
         "symfony/dependency-injection": "^5.0|^6.0",
         "symfony/framework-bundle": "^5.0|^6.0",
         "symfony/options-resolver": "^5.0|^6.0",